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1
00:00:20,770 --> 00:00:24,330
ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุทูŠุจ ุงุญู†ุง ูŠุง ุจู†ุงุช ุจุนุฏ ู…ุง

2
00:00:24,330 --> 00:00:29,570
ุดุฑุญู†ุง ุงู„ู„ูŠ ู‡ูˆ stationary ูˆ ุญูƒูŠู†ุง ุนู† ุงู„ white noise

3
00:00:29,570 --> 00:00:33,270
ุฎู„ูŠู†ุง ู†ูŠุฌูŠ ู†ุดูˆู ูƒูŠู ู…ู…ูƒู† ู„ูˆ ุงู„ data ู…ุงูƒู†ุชุด

4
00:00:33,270 --> 00:00:38,930
stationary ูุทุจุนุง ู…ู† ุงู„ุทุฑู‚ ุงู„ุดุงุฑุนุฉ ุงู†ู‡ ู†ุฎู„ูŠ ุงู„ data

5
00:00:38,930 --> 00:00:41,190
stationary ูˆ ุงุชูู‚ู†ุง ุงู† ู‡ูˆ ุงู„ู„ูŠ ุจูŠุญุจ ุงู„ stationary

6
00:00:41,190 --> 00:00:44,820
ุงุญู†ุงูุจุฏู†ุง ูŠุงู‡ุง ุชูƒูˆู† stationary ุงู„ุฏู†ูŠุง ูู…ู† ุงู„ุทุฑู‚

7
00:00:44,820 --> 00:00:48,760
ุงู„ุดุงุฆุนุฉ ู„ุฅู†ู‡ ู†ุญูˆู„ู‡ุง ุฅู„ู‰ stationary ู‡ูˆ ุงู„ู„ูŠ ุดุฑุญู†ุงู‡ุง

8
00:00:48,760 --> 00:00:52,880
ุฒู…ุงู† ู…ุซู„ุง ู†ุนู…ู„ D trend ุจุชุนุฑููˆุง ูŠูˆู… ุนู…ู„ู†ุง decompose

9
00:00:52,880 --> 00:00:55,660
ู„ู„ series ูˆ ูˆุงุญุฏุฉ ู…ู† ุงู„ components ูƒุงู† ูŠูˆู…ู‡ุง ู„ู„

10
00:00:55,660 --> 00:00:57,680
trend ุงู„ู„ูŠ ู‡ูˆ ุงู„ู„ูŠ ุจูŠุฎู„ูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ series ู…ุด ุงู„

11
00:00:57,680 --> 00:01:02,310
stationaryูู…ุซู„ุง ู…ู…ูƒู† ู†ุนู…ู„ detrend ูŠุนู†ูŠ remove ุงู„

12
00:01:02,310 --> 00:01:06,170
trend ุจุนุฏ ู…ุง ู†ุนู…ู„ estimation ุจุงู„ regression ู…ุงุดูŠ

13
00:01:06,170 --> 00:01:10,930
ู…ุฑูƒุจุฉ ุงุชุฌุงู‡ ุงู„ุนุงู… ู‡ุฐู‡ ู…ุตุจูˆุญ ุงู„ trend ุงูˆ ู…ู…ูƒู† ู†ุนู…ู„

14
00:01:10,930 --> 00:01:13,970
differencing ูˆ ุญูƒูŠู†ุง ุงู„ุทุฑูŠู‚ุชูŠู† ูŠูˆู…ู‡ุง ูˆ ูƒุฐุง ุจุชุฐูƒุฑูˆุง

15
00:01:13,970 --> 00:01:16,490
ูˆ ู‚ู„ุชู„ูƒูˆุง ู‡ู†ูŠุฌูŠ ู†ุญูƒูŠ ุนู† ุงู„ differencing ููŠู…ุง ุจุนุฏ

16
00:01:16,490 --> 00:01:20,090
ูƒุฐุง ุฐุง ุฐูƒุฑูŠู†ู‡ ุน ุงู„ุณุฑูŠุญ ุญูƒูŠุชู‡ ููŠ ุฐุงูƒ ุงู„ูˆู‚ุช ุงู„ู„ูŠ

17
00:01:20,090 --> 00:01:22,530
ู‡ุงู„ู‡ุงู† ูŠุง ุจู†ุงุช ููŠ ูุฑู‚ ุจูŠู† detrend ูˆ ุจูŠู† main

18
00:01:22,530 --> 00:01:26,350
differencingูˆ ู‡ุฐุง ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ุฃู…ุงู…ูŠ ุจูŠุจูŠู† ุฃู†ู‡ ูุนู„ุง

19
00:01:26,350 --> 00:01:29,070
ููŠู‡ ูุฑู‚ ูˆ ูƒู„ุง ู‡ู…ุง ุจุงู„ู…ู†ุงุณุจุฉ ุจูŠุฎู„ูˆุง ุงู„ series

20
00:01:29,070 --> 00:01:32,810
stationary ุจุณ ููŠ ูˆุงุญุฏ ุจูŠุฎู„ู‡ุง ุฃูƒุชุฑ ู…ู† ุงู„ุชุงู†ูŠ ุฃูˆ ุจุช

21
00:01:32,810 --> 00:01:37,470
.. ุจูŠุนู…ู„ ูŠุนู†ูŠ .. ุฅูŠุด ุจุฏุญูƒูŠู‡ุง .. ูƒูŠู ุจุฏุญ .. ูŠุนู†ูŠ

22
00:01:37,470 --> 00:01:40,430
ุจูŠุนู…ู„ ุงู„ู„ูŠ ู‡ูˆ ุงู„ trend ุจูŠ .. ุจูŠุดูŠู„ู‡ ุจุดูƒู„ ุฃูˆุถุญ ู…ู†

23
00:01:40,430 --> 00:01:43,150
ุงู„ุขุฎุฑ ูู…ุซู„ุง ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ุฃู…ุงู…ูŠ ู‡ุฐุง ุจูŠุญูƒูŠ ุนู† ุงู„

24
00:01:43,150 --> 00:01:49,760
global temperature ู„ู„ุณู†ูˆุงุช ู…ู† ุงู„ 1880 ู„ 2009ู…ุซู„ุง

25
00:01:49,760 --> 00:01:53,200
ุนู„ู‰ ุงูุชุฑุงุถ ุงู† ุงู„ model ุงูุชุฑุถู†ุงู‡ุง ู‡ู†ุง ุงู† XT ุจุชุณุงูˆูŠ

26
00:01:53,200 --> 00:01:58,320
Beta Zero ุฒูŠ Beta ูˆุงุญุฏ ููŠ T ุฒูŠ Epsilon T ุชู…ุงู… ู‡ูŠูƒ

27
00:01:58,880 --> 00:02:01,420
ูู„ูˆ ุจุฏู‰ ุงุนู…ู„ ุฏู‰ trend ุทุจุนุง ุงู†ุชูˆุง ุนุงุฑููŠู† ุงู„ู„ู‰ ู„ูˆ

28
00:02:01,420 --> 00:02:03,740
ู…ุงู‚ุฏุด ุงู‚ูˆู„ูƒูˆุง ุงุญูƒูŠ ููŠ ุงู„ุชูุงุตูŠู„ ุงู„ู„ู‰ ุญูƒูŠู†ุงู‡ุง ุงู„ุณุงุจู‚

29
00:02:03,740 --> 00:02:06,440
ุนู† ูƒูŠู ู†ุนู…ู„ estimation ู„ู„ trend ูุงู„ trend ุฅุฐุง

30
00:02:06,440 --> 00:02:09,220
ุจุชุฐูƒุฑ ู‡ูˆ ุนุจุงุฑุฉ ุนู† ุงู„ linear model linear

31
00:02:09,220 --> 00:02:12,380
regression simple linear regression ุงู„ู„ู‰ ุจุฑุจุท

32
00:02:12,380 --> 00:02:16,580
ุงู„ุนู„ุงู‚ุฉ ุงู„ T ู…ุน ู…ูŠู† ู…ุน ุงู„ XT ูˆ ุจุนู…ู„ estimator ู„ู…ูŠู†

33
00:02:16,580 --> 00:02:22,700
ู„ beta not hat ูˆ beta one hat ู…ุตุจูˆุฑ ุนู…ู„ู†ุง ุงู„ู…ู‡ู…ูู„ูˆ

34
00:02:22,700 --> 00:02:26,080
ุจุฏูŠ ุงุนู…ู„ ุฏูŠ trend ูŠุนู†ูŠ remove ู„ู„ trend ููƒูŠู ุจุชุตูŠุฑ

35
00:02:26,080 --> 00:02:31,820
ุจุทุฑุญ ุงู„ู„ูŠ ู‡ูˆ ู…ูŠู† Xt minus X hat ุชู…ุงู… ูู‡ุฐุง ุงู„ู„ูŠ

36
00:02:31,820 --> 00:02:35,660
ุจูŠุทู„ุน ุงู„ residual ุฒูŠ ู…ุง ุดุงูŠููŠู† ุงู„ E hat ู‡ูŠ ุนุจุงุฑุฉ

37
00:02:35,660 --> 00:02:41,400
ุนู† Xt minus ู…ูŠู† ุงู„ู„ูŠ ู‡ูŠ ุทุจุนุง Xt ุจุงู„ู…ู†ุงุณุจุฉ ู…ุง ู‡ูŠ Xt

38
00:02:41,400 --> 00:02:45,020
ู‡ูŠ ู‡ุง ุงู„ู„ูŠ ู‡ูŠ ู‡ุง ูƒู„ู‡ุง ุงู„ู„ูŠ ู‡ูŠ beta zero ุฒูŠ beta

39
00:02:45,020 --> 00:02:51,420
ูˆุงุญุฏ ููŠ T ุฒูŠ ู…ูŠู†ุจุชุทุฑุญู‡ุง ู…ู† ู…ูŠู†ุŸ ู…ู† X hat ุงู„ุชูŠ ู‡ูŠ

40
00:02:51,420 --> 00:02:56,160
ู…ูŠู†ุŸ Beta Zero hat A ุฒุงุฆุฏ Beta ุทุจุนุง ููŠู‡ ุฒุงุฆุฏ

41
00:02:56,160 --> 00:03:00,380
ูุจุชุตูŠุฑ ู†ุงู‚ุต ูู†ุงู‚ุต Beta ูˆุงุญุฏ hat T ุชู…ุงู… ูŠุนู†ูŠุŸ ู‡ุฐุง

42
00:03:00,380 --> 00:03:04,420
ุงุณู… ุงู„ trend ูุทุจุนุง ุงู„ุขู† ุจุงู„ู†ุณุจุฉ ู„ู„ differencing

43
00:03:04,420 --> 00:03:10,300
ุงู„ู„ูŠ ู‡ูˆ ุนุจุงุฑุฉ ุนู† ุงู„ูุฑู‚ ุจูŠู† ู…ูŠู†ุŸ XTูˆ XT minus T

44
00:03:10,300 --> 00:03:14,160
ูˆุงุญุฏ ุตุญ ุทูŠุจ ู‡ู„ุฃ ุงู„ุฑุณู…ุฉ ุงู„ู„ูŠ ุฃู…ุงู…ู†ุง ู…ู† ุงู„ููˆู‚ ุฎุงู„ุต

45
00:03:14,160 --> 00:03:16,820
ู‡ูŠ ุฑุณู…ุฉ ุงู„ series ุงู„ุฃุตู„ูŠุฉ ู…ุน ุงู„ู„ูŠ ู‡ูˆ ุงู„ regression

46
00:03:16,820 --> 00:03:20,780
line ุงู„ู„ูŠ ุฃู†ุชูˆุง ุดุงูŠููŠู†ู‡ ุงู„ trend line ู‡ุฐุง ุทุจุนุง ุงู„

47
00:03:20,780 --> 00:03:23,980
series ุงู„ุฃุตู„ูŠุฉ ูˆุงุถุญ ุฃู†ู‡ ุฃุตู„ุง ู…ุด stationary ูˆ ู„ุง ุดูˆ

48
00:03:23,980 --> 00:03:28,240
ุฑุฃูŠูƒูˆุง ู…ุด stationary ู„ุฃู†ู‡ุง ุจุชุฒุฏุงุฏ ู…ุน ุชุฒุงูŠุฏู‡ุง ูููŠ

49
00:03:28,240 --> 00:03:33,540
trend ูˆุงุถุญ ู„ู…ุง ู†ุนู…ู„ู†ุง ุฏูŠ trend ู‡ูŠ ุงู„ุฑุณู…ุฉ ุงู„ูˆุตุทุงู†ูŠุฉ

50
00:03:33,540 --> 00:03:39,290
ู‡ุฐู‡ ุนุงุฑููŠู† ุงู„ุฑุณู…ุฉ ู‡ุฐู‡ ูƒูŠู ุญุตู„ุชูˆุง ุนู„ูŠู‡ุงูุฑู‚ ุจูŠู† ู…ูŠู†

51
00:03:39,290 --> 00:03:43,450
ูˆ ู…ูŠู† ุงู„ู„ูŠ ู‡ูˆ ู‡ุงูŠ ุจูŠู† ุงู„ XT ูˆ ุจูŠู† ู…ูŠู† X hat X hat

52
00:03:43,450 --> 00:03:48,070
ุงูŠู‡ ู†ุนู… ู‡ู„ุฃ ูˆุงุถุญ ุงู†ู‡ ููŠู‡ stationary ุจุณ ูˆุงุถุญ ุงู†ู‡

53
00:03:48,070 --> 00:03:52,290
ููŠู‡ ุดูˆูŠุฉ ููŠู‡ trend ู‡ูŠ ู„ูˆ ุทู„ุนุชู‡ ู„ูˆ ูƒุจุฑุช ุฑุณู…ู‡ ูƒู…ุงู† ูˆ

54
00:03:52,290 --> 00:03:57,210
ูƒู…ุงู† ู…ุง ุจุนุฑู ุจุชู„ุงู‚ูŠู‡ ุจุทุฑูŠู‚ุฉ ูŠุนู†ูŠ ุงู„ trend ู…ูˆุฌูˆุฏ ุจุณ

55
00:03:57,210 --> 00:04:02,990
ุงูŠุด ุถุนูŠูุฉ ุงู‡ ู„ูƒู† ู„ู…ุง ู†ุนู…ู„ู†ุง ุงู„ differencing

56
00:04:02,990 --> 00:04:08,660
ูุจู†ู„ุงู‚ูŠ ุงู„ุฑุณู… ุงู„ุฃุฎูŠุฑ ุงู„ differencing ุงู‡ุฅุฐุง ุงู†ุชูˆุง

57
00:04:08,660 --> 00:04:11,640
ุญุทูˆุง ููŠ ุจุงู„ูƒูˆุง ุงู„ differencing ู…ุงุจูŠุนู…ู„ุด ู†ูุณ ุงู„ู„ูŠ

58
00:04:11,640 --> 00:04:14,820
ุจูŠุนู…ู„ูˆุง ู…ูŠู† ุงู„ day trend ุงูˆ ุงู„ day trend ู…ุงุจูŠุนู…ู„ุด

59
00:04:14,820 --> 00:04:18,020
ู†ูุณ ุงู„ู„ูŠ ุจูŠุนู…ู„ูˆุง ู…ูŠู† ุงู„ differencing ูˆู„ุฐู„ูƒ ุงู†ุชูˆุง

60
00:04:18,020 --> 00:04:21,200
ู„ูˆ ุงู†ุชูˆุง ุฎูŠุฑุชูˆุง ุจูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฑุณู…ุฉ ุงู„ูˆุณุชุงู†ูŠุฉ ูˆ ุจูŠู†

61
00:04:21,200 --> 00:04:24,260
ุงู„ุฃุฎุฑูŠุฉ ู…ูŠู† ุจุชุฎุชุงุฑูˆุง ููƒุฑูƒู…ุŸ ุงู‡ okay ูŠุนู†ูŠ ุงู„

62
00:04:24,260 --> 00:04:27,180
differencing ูŠุจู‚ู‰ ุงู„ุดุงุฆุน ููŠ ุงู„ุญูŠุงุฉ ุงู†ู‡ ุจูŠุนู…ู„ูˆุง ู…ูŠู†

63
00:04:27,180 --> 00:04:31,360
ู‡ู… ุงูŠ ู†ุนู… ุตุญูŠุญ ุทุจ ุฅูŠุด ุงู„ู„ูŠ ุจูŠุตูŠุฑุŸ ุจุตุฑุงุญุฉ ุงู„

64
00:04:31,360 --> 00:04:34,600
differencing ุจุถูŠุน ุงู„ trend ูƒู„ู‡ ุจุถูŠุน ุงู„ T ุญุฑู ุงู„ T

65
00:04:34,600 --> 00:04:39,530
ู‡ุฐุง ุงู„ timeุจุถูŠุนู‡ ู„ูƒู† ุงู„ D trend ู‡ุฐุง ู„ูˆ ุทู„ุนุชู‡ ุนู„ูŠู‡

66
00:04:39,530 --> 00:04:45,650
ุนุดุงู† ู‡ู†ุง estimator ุงู„ beta ูˆุงุญุฏ hat estimator ูˆู‡ุฐู‡

67
00:04:45,650 --> 00:04:50,250
ุงู„ beta ุงู„ุฃุตู„ูŠุฉ ูˆุงุญุฏ ูู„ู…ุง ุชุทุฑุญู‡ู… ู…ู† ุจุนุถ ุจูŠุทู„ุนูˆุด ุฒูŠ

68
00:04:50,250 --> 00:04:54,890
ุจุนุถ ุจุงู„ุธุจุท ูŠุนู†ูŠ ู…ุด zero ู…ุด zero ูููŠู† ู„ู…ุง ูŠูƒูˆู† ุงู„ T

69
00:04:54,890 --> 00:04:58,710
ู…ูˆุฌูˆุฏุฉ ู‡ุชุทู„ุน beta ูˆุงุญุฏ minus beta zero beta ูˆุงุญุฏ

70
00:04:58,710 --> 00:05:04,470
hat ูุงู‡ู…ูŠู† ุดูˆ ุจุญูƒูŠู‡ุงุŸูุทุฑุญู‡ู… ู„ู…ุง ุงู†ุทุฑุญุชูˆุง ุงู†ุชูˆุง XT

71
00:05:04,470 --> 00:05:12,750
ู„ู…ุง ุงู†ุทุฑุญุชูˆู‡ุง ู…ู† X hat ุงู„ู„ูŠ ู‡ูŠ ูู‡ุฐู‡ XT ููŠู‡ุง ุฌูˆุงู‡ุง

72
00:05:12,750 --> 00:05:18,110
ุงู„ beta 1 hat ุทุจุนุง ููŠู‡ุง beta 0 ููŠู‡ุง beta 1 ู…ุถุฑูˆุจุฉ

73
00:05:18,110 --> 00:05:22,510
ููŠ T ูุงู„ beta 1 ุงู„ู„ูŠ ู…ุถุฑูˆุจุฉ ููŠ T ู…ุน ุงู„ beta 1 hat

74
00:05:22,510 --> 00:05:26,570
ู‡ุฏูˆู„ุฉ ู„ู…ุง ู†ุทุฑุญู‡ู… ู…ุน ุจุนุถ ู„ู„ุฃุณู ุฅู„ุง ู…ุง ูŠุจู‚ู‰ ุฌุฒุฆูŠุฉ ููŠ

75
00:05:26,570 --> 00:05:30,410
ู…ู†ุŸ ููŠ ุงู„ Tู…ุตุจูˆุญุŸ ูŠุนู†ูŠ ุงู„ time ุฅูŠู‡ ุงู„ู„ูŠ ู…ุงุช ู„ุฌูˆู‡

76
00:05:30,410 --> 00:05:33,890
ูˆุฅู† ูƒุงู† ุฎููŠู ุฌุฏุง ุฌุฏุง ูŠุนู†ูŠ ูŠูƒุงุฏ ูŠูƒูˆู† zero ุจุณ ู…ุด

77
00:05:33,890 --> 00:05:37,490
zero ุจุงู„ุธุจุท ู‡ุฐุง ุงู„ ุฏูŠ trend ูˆู„ุฐู„ูƒ ุงู„ ุฏูŠ trend

78
00:05:37,490 --> 00:05:41,030
ุจูŠุถูŠุนุด ุงู„ trend ู…ุงุฆุฉ ุจุงู„ู…ุงุฆุฉ ู„ูŠุดุŸ ู„ุฃู† ู‡ูˆ ู…ู† ุงู„ุฃุณุงุณ

79
00:05:41,030 --> 00:05:44,990
ูŠุงุดูŠุณุช ู…ูŠุชู‡ ููŠ ุฏู„ูˆู‚ุช ุงู„ differencing ุจูŠุถูŠุน ุงู„

80
00:05:44,990 --> 00:05:49,490
trend ู…ุงุดูŠุŸ ูˆู„ุฐู„ูƒ ููŠ ุงู„ุญูŠุงุฉ ุจูŠุนู…ู„ูˆุง ู‡ู… ู…ูŠู† ุงู„

81
00:05:49,490 --> 00:05:51,930
differencing ุฎู„ุงุต ุจูŠุถูŠุน ุงู„ู„ูŠ ู‡ูˆ ู‡ูŠูˆ ุญุชู‰ ุงู„ุฑุณู…

82
00:05:51,930 --> 00:05:55,110
ุงู„ุฃุฎูŠุฑ ู‡ูˆ ุจูŠู†ุช ู‡ุฐุง ุงู„ูƒู„ุงู… ูˆู„ูˆ ุดูุชู‡ ุจุงู„ู…ู†ุงุณุจุฉ ุงู„

83
00:05:55,110 --> 00:06:00,450
ACFู„ูˆ ุดูุช ุฑุณู…ุฉ ุงู„ ACF ู„ุชู„ุช ุฑุณู…ุงุช ุงู„ู„ูŠ ู‡ุชูˆูƒุงู†ูˆุง

84
00:06:00,450 --> 00:06:05,630
ู…ูˆุฌูˆุฏูŠู† ุฃู…ุงู…ูŠ ุฃู„ูˆู‡ู… ุงู„ุฑุณู…ุฉ ุงู„ุฃูˆู„ู‰ ู„ู„ data ุงู„ุฃุตู„ูŠุฉ

85
00:06:05,630 --> 00:06:11,930
ุณุชุฌุฏูˆุง ุฃู†ู‡ ูˆุงุถุญ ุงู„ ACF ู‡ุฐุง ุฃู†ู‡ ููŠ ุนู†ุฏูŠ correlation

86
00:06:11,930 --> 00:06:17,810
ู‡ุฐุง ูˆ ุจุงู„ู…ู†ุงุณุจุฉ ู‡ุฐุง ููŠู…ุง ุจุนุฏ ู†ุณู…ูŠู‡ long memory ู„ู…ุง

87
00:06:17,810 --> 00:06:20,690
ูŠูƒูˆู† ุนู†ุฏูŠ ุฑุณู…ุฉ ุงู„ ACF ุจุงู„ุดูƒู„ ู‡ุฐุง ุจูŠุณู…ูˆู‡ุง long

88
00:06:20,690 --> 00:06:25,970
memoryุงู„ู„ูŠ ู‡ูŠ ุงู„ random walk ุงู„ู…ู‡ู… ุงุญู†ุง ู‡ู†ุฌูŠ ุงู†

89
00:06:25,970 --> 00:06:31,670
ุดุงุก ุงู„ู„ู‡ ูˆ ู‚ุฑุจู†ุง ุฌุฏุง ู„ูŠู„ู‡ ููˆุงุถุญ ุงู†ู‡ ููŠ ู‡ู†ุง trend

90
00:06:31,670 --> 00:06:35,370
ูˆุงุถุญ ุงูˆ ุฎู„ูŠู†ุง ู†ู‚ูˆู„ ููŠ correlation ูˆุงุถุญ ู„ู…ุง ู†ุนู…ู„

91
00:06:35,370 --> 00:06:39,510
ุทูˆู„ู‡ ุฏูŠ trend ูˆุงุถุญ ุงู†ู‡ ุฏูŠ trend ู…ุถูŠุนุด ุงู„

92
00:06:39,510 --> 00:06:44,410
correlation ู„ุฅู† ู‡ู… ููŠ ุฎุทูˆุท ุงู„ุฎุฒุฑู‚ ู‡ุฏูˆู„ุฉ ููŠ ู„ุณู‡ ููŠ

93
00:06:44,410 --> 00:06:49,410
ู…ุน ููˆุฌู‡ ู…ุน ุงู„ deal ู…ุงุฒุงู„ ููŠ correlation ุตุญุŸ ูŠุนู†ูŠ

94
00:06:49,410 --> 00:06:53,390
ู…ุฎู„ูŠู‡ุงุด white noiseู…ุง ุฎู„ู‘ู‡ุงุด white noise ู…ุง ุฎู„ู‘ู‡ุงุด

95
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ู…ุฆุฉ ุจุงู„ู…ุฆุฉ stationary ู„ูƒู† ู„ูˆ ุทู„ุนุชู‡ ุนู„ู‰ ู…ุซู„ุง ุงู„

96
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first differences ุงู„ูุฑู‚ุงุช ุงู„ู„ูŠ .. ูุชุฌุฏูˆุง ุฃู†ู‡ ุฅู„ู‰

97
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ุญุฏ ู…ุง .. ู‡ูŠ ู…ุด white noise ู‡ุฐู‡ ุจุตุฑุงุญุฉ ู‡ุฐู‡ ู…ุด white

98
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noise ุทุงู„ู…ุง ุฃู† ู‡ุฐุง ุนู„ุงุฌ ู‡ุฐุง ุงู„ุฃูˆู„ุงู†ูŠ ุนุฏู‰ ุงู„ุฎุท

99
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ุงู„ุฃุฒุฑู‚ ูู‡ูŠ ู…ุด white noise ู‡ุฐู‡ ู‡ู†ุดูˆู ุฃู†ู‡ุง moving

100
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averageู…ุงุดูŠ ู‡ุฐู‡ ู…ุด white noise ุดูƒู„ู‡ุง moving

101
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average ุงู„ู…ู‡ู… ุงุญู†ุง ู…ุด ู…ุดูƒู„ุชู†ุง ุจุณ ู‡ูŠ ู‚ุฑูŠุจุฉ ุงู† ุชูƒูˆู†

102
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ู…ุงู„ู‡ุง white noise ุงูˆ ุฎู„ูŠู†ุง ู†ู‚ูˆู„ ุงู„ุชุนุงู…ู„ ู…ุนู‡ุง ุจูŠูƒูˆู†

103
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ุฃู„ุทู ู…ู† ุงู„ุชุนุงู…ู„ ู…ุน ุงู„ู…ูŠู† ู…ุน ุงู„ู„ูŠ ููˆู‚ ู…ู†ู‡ุง ู…ุงุดูŠ ุทูŠุจ

104
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ู†ุฃุชูŠ ุงู„ุขู† ู„ ุงู„ู„ูŠ ู‡ูˆู…ูุงู‡ูŠู… ุฌุฏูŠุฏุฉ ูˆู‡ูŠ ู„ุจ ุงู„ุฅุญุตุงู„ ู„

105
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ุงู„ time series ุฃู†ุง ูˆู‡ูŠ ุงู„ ARMA model ูˆ ุงู„ุญู„ู‚ุฉ

106
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ุงู„ุฎุงุตุฉ ู…ู†ู‡ุง ุงู„ู„ูŠ ู‡ูŠ ุงู„ auto-regressive model AR

107
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model ูˆ ุงู„ moving average model MA model ุชู…ุงู… ูˆ ู…ู†

108
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ุซู… ู†ุญูƒูŠ ุนู† ุงู„ู‚ุฑูŠู…ุฉ modelูˆ ุทุจุนุง ุงู„ุณุฑูŠู…ุฉ ูˆ ุงู„ุณุฑูŠู…ุฉ

109
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seasonal ูˆุดูˆู ูƒูŠู ุงู† ุดุงุก ุงู„ู„ู‡ ููŠู…ุง ุจุนุฏ ู†ุณุชุฎุฏู…ู‡ู… ููŠ

110
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ุงู„ forecasting ุทุจุนุง ู‡ุฐู‡ ุงู„ู…ุญุงุถุฑุฉ ุณุชูƒูˆู† ู‡ูŠ ุณู„ุณู„ุฉ ู…ู†

111
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ู…ุญุงุถุฑุงุช ุญุชู‰ ู†ุบุทูŠ ู‡ุฐู‡ ุงู„ู…ูˆุงุถูŠุน ูƒู„ู‡ุง ุงู„ู„ูŠ ู‡ูŠ ุงู„

112
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linear process ู…ุนุงู‡ุง ู…ุงุดูŠ ู„ุญุฏ ู…ุง ู†ุฎุฑุฌู‡ุง ููŠ ุนู†ุฏ

113
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ุงู„ู„ูŠ ู‡ูˆ ุงู„ู‚ุฑูŠู…ุฉ ูˆ ุจู†ุจุฏุฃ ุจุนุฏูŠู‡ุง ููŠ ุณู„ุณู„ุฉ ุฃุฎุฑู‰ ุฎู„ูŠู†ุง

114
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ู†ุฑูƒุฒ ู…ุซู„ุง ููŠ ุงู„ุจุฏุงูŠุฉ ู†ุญูƒูŠ ุนู„ู‰ ุงู„ autoregressive ุซู…

115
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ุงู„ moving average ุซู… ุงู„ armaูˆู†ู†ุชู‚ู„ ุจุนุฏ ุฐู„ูƒ ุฎุทูˆุฉ

116
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ุฅู„ู‰ ุจุนุฏ ุฐู„ูƒ ู„ู„ู‚ุฑูŠู…ุฉ ูˆุงู„ุณุฑูŠู…ุฉ ูˆู†ูƒู…ู„ ูˆู†ุดูˆู ุฅูŠุด

117
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ุจู†ู„ุณูˆุง ูู‡ุฐู‡ ู‡ูŠ ุงู„ู…ุญุงุถุฑุฉ ุงู„ุฃูˆู„ู‰ ููŠ ุงู„ุณู„ุณู„ุฉ ู‡ุฐู‡

118
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ุงู„ู…ุญุงุถุฑุงุช ูŠู…ูƒู† ุชู„ุช ุฃุฑุจุน ู…ุญุงุถุฑุงุช ูŠู…ูƒู† ุฃุฌู„ ุงู„ู„ู‡ ุนู„ู…

119
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ู ุงู„ linear model ุงู„ู„ูŠ ุจู†ุญูƒูŠ ุนู†ู‡ for stationary

120
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time series without a trend or seasonal effect

121
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that is if necessary any trend or seasonal or

122
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cyclic effect have been removed ูˆุงุถุญ ุงู„ูƒู„ุงู…

123
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ุงู„ู…ูƒุชูˆุจุŸูŠุนู†ูŠ ุงุญู†ุง ุนู…ู„ู†ุง decompose ูˆ ุนู…ู„ู†ุง remove ูˆ

124
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ุฎู„ู‘ูŠู†ุง ุงู„ series ุฎุงู„ูŠุฉ ู…ู† ุฃูŠ ู…ูŠู† ุฃูŠ components

125
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ุจูŠุนู…ู„ูˆู‡ุง ุงู„ series ู…ุด stationary ุฒูŠ ู…ูŠู† ุฒูŠ ุงู„

126
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trend ูˆ ุฒูŠ ุงู„ season ูˆ ุฒูŠ ุงู„ cycle ูุงู„ most

127
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important special case for linear process ู‡ู… ุนุจุงุฑุฉ

128
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ุนู† ุงู„ auto regressive model ุงู„ moving average

129
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modelูˆ ุงู„ auto-regressive moving average model

130
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ุงู„ู„ูŠ ู‡ูˆ ARMA ูˆ ู…ู† ุซู… ูŠุนู†ูŠ ู‡ุฐู‡ ููŠู…ุง ุจุนุฏ ุญู„ู… ุดูˆูŠุฉ

131
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ู„ู‚ุฏุงู… ุงู„ู„ูŠ ู‡ูˆ auto-regressive integrated moving

132
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average model ุงู„ู„ูŠ ู‡ูŠ ุงู„ ARIMA ูˆ ุญู‚ูŠู‚ุฉ ููŠู‡ ุงู„ุณุฑูŠู…ุฉ

133
00:09:21,840 --> 00:09:25,260
ุจุณ ุงู„ุณุฑูŠู…ุฉ ู„ู‡ุง ุนู„ุงู‚ุฉ ุจุงู„ seasonal ุจุงู„ seasonal

134
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ูุนุดุงู† ู‡ูŠูƒ ุฃู†ุง ู…ุญุทุชู‡ุงุด ู‡ุงู† ุทุจุนุง ู‡ุฏูˆู„ุฉ ุงู„ models

135
00:09:28,900 --> 00:09:33,120
ู…ู…ูƒู† ููŠู…ุง ุจุนุฏ ู†ุนู…ู„ู‡ู… modeling ู‡ุงู„ุฌู‡ุฉ ูˆ ู…ู† ุซู…

136
00:09:33,120 --> 00:09:37,810
ู†ุณุชุฎุฏู…ู‡ู… ููŠ ุงู„ forecasting ู…ุงุดูŠุŸู†ุจู„ุด ู†ุญูƒูŠ ุนู„ู‰ ุฃูˆู„

137
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ูˆุงุญุฏ ู…ู†ู‡ู… ุงู„ู„ูŠ ู‡ูˆ ู…ูŠู† ุงู„ auto-regressive model ููŠ

138
00:09:43,030 --> 00:09:46,390
ู†ุงุณ ุจุชุณู…ูŠู‡ auto-regression model ู‡ู„ุฃ ู‡ุฐู‡ ุงู„ุญุงู„ุฉ ุงู„

139
00:09:46,390 --> 00:09:49,070
slide ุงู„ู„ูŠ ุฃู…ุงู…ูƒูˆุง ู‡ูŠ ุงู„ุญุงู„ุฉ ุงู„ุนุงู…ุฉ ุงู†ุง ุงู„ุตุฑุงุญุฉ

140
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ู‚ุจู„ ู…ุง ุงุจู„ุด ููŠ ุงู„ุญุงู„ุฉ ุงู„ุนุงู…ุฉ ุงูŠู‡ ู„ุฎุงุทุฑ ุงู†ูŠ ุงู†ุง ุงุฌุง

141
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ูู„ูˆู† ุนุดุงู† ู†ุตู„ ู„ู„ุญุงู„ุฉ ุงู„ุนุงู…ุฉ ุงู„ู„ูŠ ุฃู…ุงู…ูƒูˆุง ู‡ุงูŠ ู†ุดูˆู

142
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ูƒูŠู ุญุงู„ุฉ ุญุงู„ุฉ ุฎุงุตุฉ ูู†ุจู„ุด ู†ุญูƒูŠ ุจ auto-regressive of

143
00:10:00,810 --> 00:10:07,030
order ูˆุงุญุฏ ุทุจุนุง ู‡ุฐุง ุจุงู„ู…ู†ุงุณุจุฉ ุงุณู…ู‡ autoregression

144
00:10:07,030 --> 00:10:11,750
ุงูˆ rotoregressive ูˆ ู‡ู†ุดูˆู ู„ูŠุด ุงู„ุงุณู… ุฅูŠู‡ ู‡ูŠ model

145
00:10:11,750 --> 00:10:21,350
of order ูˆุงุญุฏ ุชู…ุงู…ุŸููƒุฑุชู‡ ู‡ุฐุง ุจุฅู†ู‡ ุจูŠุนู…ู„ regression

146
00:10:21,350 --> 00:10:26,070
ุจูŠุนู…ู„ ู…ุนุงุฏู„ุฉ ุชุฑุจุท ุงู„ู„ูŠ ู‡ูŠ ุงู„ุณู„ุณู„ุฉ ููŠ ุงู„ูˆู‚ุช ุงู„ุฒู…ู†

147
00:10:26,070 --> 00:10:30,490
ุงู„ุญุงู„ูŠ ูŠุนู†ูŠ ู…ุฑุจูˆุทุง ููŠ ุงู„ุฒู…ู† ุงู„ุณุงุจู‚ ู…ู†ู‡ ู…ุงุดูŠ

148
00:10:30,490 --> 00:10:33,430
ุจุชุนุฑููˆุง ู…ุนุงุฏู„ุฉ ุงู†ุญุถุงุฑ ุงู†ุชูˆุง ุงู„ู„ูŠ ุจูŠุฑุจุท X ูˆ Y ู…ุน

149
00:10:33,430 --> 00:10:37,990
ุจุนุถ ู…ุชุบูŠุฑูŠู† ูˆุงุญุฏ ุงุณู…ู‡ X ูˆุงุญุฏ ุงุณู…ู‡ Y ู‡ุฌูŠุช ู‡ุฏูˆู„

150
00:10:37,990 --> 00:10:41,410
ุงู„ู…ุชุบูŠุฑูŠู† ุนุงุฏุฉ ุงู„ุขู† ููŠ ุงู„ auto regressive ู‡ู… ู†ูุณู‡ู…

151
00:10:41,410 --> 00:10:46,710
ู†ูุณ ุงู„ู…ุชุบูŠุฑ ูˆู„ูƒู† ุนู†ุฏ ุงู„ุฒู…ู† Tูˆุนู†ุฏ ุงู„ุฒู…ู† ุงู„ู„ูŠ ุจุณุจู‚ู‡

152
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ูˆู„ุฐู„ูƒ ุฌุงุกุช ุงู„ูƒู„ู…ุฉ auto regression ู‡ูˆ regression ุจุณ

153
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ุนู„ู‰ ู†ูุณู‡ ูุงู„ู…ุนุงุฏู„ุฉ ุชุจุนุฉ ุงู„ุงู†ุญุถุงุฑ ู‡ู†ุง ู‡ูŠ Xt ุนู†ุฏ

154
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ุงู„ุฒู…ู† T ู‡ูˆ ุนุจุงุฑุฉ ุนู† ููŠ ุฃูˆ ููŠ ููŠ Xt ู†ุงู‚ุต ูˆุงุญุฏ ุฒุงุฏ

155
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epsilon T ุทุจุนุง epsilon T ู‡ูŠ ุงู„ white noiseprocess

156
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ุงู„ู„ูŠ ุงู„ main ู„ู‡ุง ู…ุซู„ุง zero ูˆ ุงู„ variance ู„ู‡ุง sigma

157
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ุชุฑุจูŠู‡ ุชู…ุงู… ูŠุง ูุจุฏู„ ู…ุง ูŠูƒูˆู† x ูˆ y ุจูŠูƒูˆู† ู‡ู†ุง x ุนู†ุฏ

158
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ุงู„ุฒู…ู† t ู†ุงู‚ุต ูˆุงุญุฏ ูˆ x ุนู†ุฏ ุงู„ุฒู…ู† t ู†ุญูŠุง ุทุจุนุง ู‡ุฐุง ู„ูˆ

159
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ุฃู†ุง ุณุฃู„ุช ูˆุงุญุฏุฉ ู…ู†ูƒู… ูƒูŠู ู…ู…ูƒู† ุชูƒุชุจูˆู‡ ุจุงู„ backshift

160
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operator ู‡ุชูƒุชุจูˆู‡ ุจุงู„ backshift operator ูƒูŠู ูˆุงุญุฏ

161
00:11:33,190 --> 00:11:40,180
minus ู…ุด ุชุนู„ู…ู†ุง ุงู„ู…ุญุงุถุฑุฉ ุงู„ุณุงุจู‚ุฉ ููŠ ุงู„ bู†ูุชุญ ู‚ุต XT

162
00:11:40,180 --> 00:11:45,360
ุดูˆ ุจูŠุณุงูˆูŠ Epsilon T ู…ุด ู‡ุฐุง ู‡ูˆ ู‡ุฐุง ุงู„ุขู†ุŸ ุจุงุฑุญ

163
00:11:45,360 --> 00:11:49,960
ุงุชุนู„ู…ู†ุง ู‡ูŠูƒ ูู„ูˆ ุงู†ุช ูˆุฒุนุช ุงู„ XT ู…ุด ู‡ูˆ ุจูŠุตูŠุฑ ู‡ู‰ ูˆ

164
00:11:49,960 --> 00:11:54,080
ุงู„ุณุงู„ุจ ุจุชุฑูˆุญ ุงู„ุทุฑู ุงู„ุฃูŠุณุฑ ุนู„ู‰ ุงู„ูŠู…ูŠู† ุนููˆุง ุจูŠุตูŠุฑ ู‡ู‰

165
00:11:54,080 --> 00:12:00,610
ุทูŠุจ ุงูˆ ููŠู†ุง ู†ูƒุชุจู‡ ุจุงู„ุทุฑูŠู‚ุฉ ู‡ุงูŠุจู†ุนู…ู„ ู‡ูˆ polynomial

166
00:12:00,610 --> 00:12:07,710
ุดูƒู„ู‡ุง ู‡ูŠูƒ ููŠ ุฃูˆ big ููŠ ุงู„ order ุฅู„ู‡ุง ูˆุงุญุฏ of B XT

167
00:12:07,710 --> 00:12:15,110
ุชุณุงูˆูŠ YT ุญูŠุซ ุฃู† ุญูŠุซ ุฃู† ู†ูƒุชุจ where ุงู„ ููŠ ู‡ุฐู‡ ุงู„ big

168
00:12:15,110 --> 00:12:21,490
ููŠ ุฃูˆ ููŠ ุณู…ูŠู‡ุง ูƒู…ุง ุดุฆุชูŠ ู‡ู… ุจูŠุณู…ูˆู‡ุง ููŠ ุจุตุฑุงุญุฉ ูˆุงุญุฏ

169
00:12:21,490 --> 00:12:28,360
ู†ุงู‚ุต ููŠ ุงู„ B ุชู…ุงู… ู‡ู‰ุŸูŠุนู†ูŠ ู‡ูŠ ุนุจุงุฑุฉ ุนู† first order

170
00:12:28,360 --> 00:12:32,780
of polynomial of first order ุฏู‡ ูƒุซูŠุฑุฉ ุญุฏูˆุฏ ู…ู†

171
00:12:32,780 --> 00:12:36,840
ุงู„ุฏุฑุฌุฉ ุงู„ุฃูˆู„ู‰ุŒ ู…ุนุงุฏู„ุฉ ุฎู„ุทูŠุฉุŒ ู…ุตุจูˆุญุŸ ูŠุง ุจู†ุงุช ูุงู‡ู…ูŠุด

172
00:12:36,840 --> 00:12:42,780
ุจุญูƒูŠู‡ุงุŸ ูŠุนู†ูŠ ุฃู†ุง ุงู„ุฃู†ุŒ ู‡ุฐุง ุงู„ุฃู† ููŠู‡ ู‡ูˆ ุฃูƒุชุจู‡ ู‡ูŠูƒุŒ

173
00:12:42,780 --> 00:12:48,340
ููŠู‡ ุฃูƒุชุจู‡ ู‡ูŠูƒ ุฃูˆ ููˆู‚ุŒ ุชู…ุงู… ู‡ูŠูƒุŸ ูุฅุฐุง ุงู†ุชูˆุง ุงู„ุฃู†ุŒ

174
00:12:48,340 --> 00:12:51,930
ู‡ุฐุง ุฃุตุจุญ ุงู„ุฃู† ุงู„ auto-regressive of ูˆุดุŸุทุจ ู„ูˆ ุจุฏูŠ

175
00:12:51,930 --> 00:12:57,250
ุงุนู…ู„ order one ุทุจ ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ ู„ูˆ ุจุฏูŠ

176
00:12:57,250 --> 00:13:06,430
ุงุนู…ู„ order one ุทุจ

177
00:13:06,430 --> 00:13:06,710
ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ

178
00:13:06,710 --> 00:13:08,050
ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ

179
00:13:08,050 --> 00:13:11,150
ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ

180
00:13:11,150 --> 00:13:13,570
ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ

181
00:13:13,570 --> 00:13:15,330
ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ

182
00:13:15,330 --> 00:13:17,070
ู„ูˆ ุจุฏูŠ ุงุนู…ู„ order one ุทุจ ู„ูˆ ุจู‡ูŠ ุงู„ white noise

183
00:13:17,070 --> 00:13:22,410
process ุงูˆ air term ู‡ูŠ zero ูˆ sigma ุชุฑุจูŠุน ุงู„ mean

184
00:13:22,410 --> 00:13:26,010
ูˆ ุงู„ varianceุŒ ุชู…ุงู…ุŸ ุดูˆูŠู‡ ุฏูŠ ูŠุนู†ูŠ ู…ุนู†ุงู‡ุงุŸ ู…ุนู†ุงู‡ุง

185
00:13:26,010 --> 00:13:30,730
ุงู†ู‡ ุงุญู†ุง ุฑุงุจุทู†ุง ุงู„ู„ูŠ ู‡ูŠ ุงู„ series ุนู†ุฏ ุงู„ุฒู…ู† T ุจ

186
00:13:30,730 --> 00:13:34,810
meanุจุฒู…ุงู†ูŠู† ุงู„ู„ูŠ ุฌุงุจ ุงู„ู…ู†ู‡ู‰ุŒ ู…ุธุจูˆุทุŸ linear

187
00:13:34,810 --> 00:13:39,050
combinationุŒ ุจุฑุจุท ู…ูŠู†ุŸ ุงู„ุฒู…ุงู†ูŠู† ุงู„ุณุงุจู‚ูŠู† ู…ุน ุจุนุถู‡ู…

188
00:13:39,050 --> 00:13:43,210
ุงู„ุจุนุถ ู„ูŠุนุทูŠู‡ ู†ูŠุฉ ุชู†ุจุคุงู† ู„ู…ูŠู†ุŸ ู„ู„ุฒู…ู† ุงู„ู„ูŠ ู‡ูˆ ููŠ

189
00:13:43,210 --> 00:13:47,030
ุงู„ูˆู‚ุช ุงู„ุญุงู„ูŠ ุฃูˆ ุงู„ุฒู…ู† ุงู„ู…ุณุชู‚ุจู„ูŠุŒ ู…ุด ู‡ูŠูƒุŸ ูุนุดุงู† ู‡ูŠูƒ

190
00:13:47,030 --> 00:13:50,370
ุงุณู…ู‡ auto regressionุŒ regression ู‡ูˆุŒ ุจุณ auto ู…ุน

191
00:13:50,370 --> 00:13:55,100
ู†ูุณู‡ุŒ head of order ู…ูŠู†ุŸุชู†ูŠู† ุทุจ ููŠูƒูŠ ุชูƒุชุจูˆู‡ ุจุงู„

192
00:13:55,100 --> 00:14:02,300
back word ููŠ operator ูƒูŠู ุดูˆ ู‡ูˆ ูˆุงุญุฏ ู…ุนุงู‚ุฒ ููŠ ูˆุงุญุฏ

193
00:14:02,300 --> 00:14:07,780
ุจูŠ minus ููŠ ุชู†ูŠู† ุจ ุชุฑุจูŠู‡ ู…ุด ู‡ูŠูƒ ูู…ูŠู† ุงูƒุณ ุชูŠู†

194
00:14:07,780 --> 00:14:12,960
ุจูŠุณุงูˆูŠ ุฃุจุณู„ูˆู† ุชูŠู† ุนู„ู‰ ู‡ุฐุง ููŠู†ุง ู†ูƒุชุจู‡ ุฒูŠ ุงู„ุขู† ู‡ูŠูƒ

195
00:14:12,960 --> 00:14:16,440
ุจุงู„ู„ูŠ ู‡ูˆ ุงู„ polynomial ุจุณ polynomial of ุฃูŠ degree

196
00:14:16,440 --> 00:14:20,900
ุฏูŠุฌุฑูŠุช ุชุงู†ูŠุฉ ู…ุตุจูˆุท ุดูˆ ูŠุนู†ูŠ ูŠุนู†ูŠ ู…ู…ูƒู† ุงูƒุชุจ ู‡ูŠูƒ ููŠ

197
00:14:20,900 --> 00:14:22,500
ุงุชู†ูŠู†

198
00:14:24,240 --> 00:14:27,420
ู‡ุชู…ู†ู‰ ุงู† ูŠูƒูˆู† ูˆุงุถุญ ุนู„ู‰ ุงู„ูƒุชุงุจุฉ ุงูˆ ุนู„ู‰ ุงู„ู„ูˆุญ ูŠูƒูˆู†

199
00:14:27,420 --> 00:14:31,680
ูˆุงุถุญ ููŠ ุชู†ูŠู† ุงู„ ุจูŠ ุดูˆ ุจูŠุณุงูˆูŠ of XT ุทุจุนุง ุดูˆ ุจูŠุณุงูˆูŠ

200
00:14:31,680 --> 00:14:38,340
epsilon T ูˆุญูŠุซ ุงู† ุงู„ ููŠ ุชู†ูŠู† ู‡ุฐู‡ ุงู„ polynomial of

201
00:14:38,340 --> 00:14:43,360
the degree ุงูŠู‡ุŸ polynomial ูƒุซูŠุฑุฉ ุญุฏูˆุฏ ู…ู† ุฏุฑุฌุฉ ู…ูŠู†

202
00:14:43,360 --> 00:14:49,900
ุดูˆ ูŠุนู†ูŠุŸ ูˆุงุญุฏ ู†ุงู‚ุต ููŠ ุจูŠ ุทุจุนุง ููŠ ูˆุงุญุฏminus five

203
00:14:49,900 --> 00:14:54,980
ุชู†ูŠู† ุจูŠ ุชุฑุจูŠุน ู…ุงุดูŠ ุงู„ุญุงู„ ุทุจุนุง ู‡ุฐู‡ ุฏุฑุฌุฉ ูƒุซูŠุฑุฉ ุญุฏูˆุฏ

204
00:14:54,980 --> 00:14:58,920
ุจุณ ุจุฏู„ุงู„ุฉ ุงู„ X ุงู„ X ูˆู„ุง ุงู„ B ุงู„ B ุงู‡ ุงู„ B ุงู„ู„ูŠ ู‡ูˆ

205
00:14:58,920 --> 00:15:05,060
ุงู„ backward ู…ุงุดูŠ ุงู„ุญุงู„ in general ุดูˆ in general

206
00:15:05,060 --> 00:15:09,800
ู‡ู„ู‚ูŠุช in general ู‡ูˆ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ computer ุฃู…ุงู…ูƒู…

207
00:15:09,800 --> 00:15:13,140
ูŠู„ุง ูŠู‚ู ุงู‚ูˆู„ ุนู„ู‰ ุงู„ computer in general

208
00:15:16,310 --> 00:15:22,250
ุงู„ู€ time series with zero mean satisfy ุฃู† XT ุชุณุงูˆูŠ

209
00:15:22,250 --> 00:15:28,770
ุดูˆุฉ ูุงูŠ ูˆุงุญุฏ XT ู†ุงู‚ุต ูˆุงุญุฏุŒ ูุงูŠ ุชู†ูŠู† XT ู†ุงู‚ุต ุชู†ูŠู†

210
00:15:28,770 --> 00:15:34,730
and so on ุฅู„ู‰ ููŠ ุจูŠXT-BZ Epsilon T ู…ุธุจูˆุท ู‡ูŠูƒ ุญูŠุซ

211
00:15:34,730 --> 00:15:38,110
ุฃู† ุงู„ Epsilon T is what White noise ุทุจุนุง ู…ุนุฑูˆู

212
00:15:38,110 --> 00:15:41,210
white noise ูŠุนู†ูŠ ุงู„ mean ุฅู„ู‡ุง ุดูˆูŠุฉ zero ูˆ ุงู„

213
00:15:41,210 --> 00:15:45,430
variance ุฅู„ู‡ุง Sigma ุชุฑุจูŠุน ูˆ ุงู„ Phi ู‡ุฏูˆู„ุฉ ุจู†ุณู…ูŠู‡ู…

214
00:15:45,430 --> 00:15:48,110
parameters ุทุจ ู‡ูˆ ุงู„ regression ุงู„ parameters ุงู„

215
00:15:48,110 --> 00:15:53,490
parameters ุชู…ุงู… ู‡ูŠูƒ ูˆ ุงู„ I ู‡ู†ุง ู…ู† ูˆุงุญุฏ ุฅู„ู‰ P ุจู†ู‚ูˆู„

216
00:15:53,490 --> 00:15:57,310
ุนู†ู‡ ู‡ุฐุง ุดุจู†ุงุช Autoregressive ุดูˆูŠุฉ process of order

217
00:15:57,310 --> 00:16:03,430
whatP ูˆ ุงู„ู„ูŠ ุจู†ุฑู…ุฒู„ู‡ ุจุงู„ุฑู…ุฒ ุฅูŠู‡ ุนุดุงู† ARP ุฅุฐุง ู…ุง ู‡ูˆ

218
00:16:03,430 --> 00:16:08,650
ุงู„ auto-regressive ู‡ูˆ regression ุดูˆู ู…ูŠุฒุชู‡ ุจุฑุจุท

219
00:16:08,650 --> 00:16:15,350
ู…ูŠู† ุงู„ู…ุดุงู‡ุฏุงุช ุนู†ุฏ ุฃุณู…ู†ุง ุงู„ุณุงู…ุฑ ูŠุนู†ูŠ ู„ู…ุง ุจุฏู‡ ุฃุญูƒูŠ

220
00:16:15,350 --> 00:16:18,770
ุฃู†ุง ุงู„ุขู† ู„ู…ุง ุฃุนู…ู„ auto-regressive of order ุชู„ุงุชุฉ

221
00:16:18,770 --> 00:16:24,850
ุดูˆ ูŠุนู†ูŠ ุฅูŠู‡ุŸุฃู†ุง ุฃู‚ูˆู„ูƒ ุดุบู„ุฉ ูˆุงุญุฏุฉุŒ ุฏุฑุฌุงุช ุงู„ุญุฑุงุฑุฉ ููŠ

222
00:16:24,850 --> 00:16:27,730
.. ู…ุซู„ุง ููŠ ุงู„ูˆุทู† ุงู„ุนุฑุจูŠ ุทู„ุนุช auto-regressive

223
00:16:27,730 --> 00:16:34,670
ุชู„ุงุชุฉุŒ ุดูˆ ูŠุนู†ูŠุŸ ูŠุนู†ูŠ ุฃู†ุง ุงู„ุขู† ู„ูˆ ุนุฑูุช ุชู„ุช ุฃุฒู…ู†ุฉ

224
00:16:34,670 --> 00:16:39,450
ูˆุฑุง ุจุนุถุŒ ุชู„ุช ุฃูŠุงู… ู‡ูŠ ุงู„ู„ูŠ .. ุณุจุชุŒ ุฃุญุฏุŒ ุงุชู†ูŠู† ู…ุซู„ุงุŒ

225
00:16:39,450 --> 00:16:44,690
ุชู„ุช ุฃูŠุงู…ุŒ ุณุจุชุŒ ุฃุญุฏุŒ ุงุชู†ูŠู†ุŒ ุชู„ุช ุฃูŠุงู… ู‡ุฏูˆู„ุฉุŒ ุจุฑุจุทู‡ู…

226
00:16:44,690 --> 00:16:49,030
ู…ุน ุจุนุถุŒ ุจ linear combination ู…ุนูŠู†ุŒ ู…ุตุจูˆุนุŸูููŠ ุนู†ุฏูŠ

227
00:16:49,030 --> 00:16:52,110
ุซูˆุงุจุท ู…ุฑุจุทูŠู† ููŠ ุจุนุถ ู…ุถุฑูˆุจูŠู† ุนููˆุง ููŠ ูŠูˆู… ุงู„ุณุจุช

228
00:16:52,110 --> 00:16:55,450
ู…ุถุฑูˆุจ .. ู…ุถุฑูˆุจ ููŠ ุงู„ูŠูˆู… ุงู„ุฃุญุฏ ูˆ .. ุนุดุงู† ุงุชู†ุจุฃ ู…ูŠู†ุŸ

229
00:16:55,450 --> 00:17:00,210
ูŠูˆู… ุงู„ู„ูŠ ู‡ูˆ ู…ูŠู† ุจูŠุฌูŠูˆู…ุดุŸ ุชู„ุงุช .. ูŠูˆู… ุงู„ุชู„ุงุช ุนุดุงู†

230
00:17:00,210 --> 00:17:03,090
ุงุชู†ุจุฃ ุฏุฑุฌุฉ ุงู„ุญุฑุงุฑุฉ ู„ู„ูŠูˆู… ุงู„ุชู„ุงุชุŒ ู…ุตุจูˆุนุŸ ุงุฐุง

231
00:17:03,090 --> 00:17:07,170
ุจูŠูƒููŠู†ูŠ ุงู‚ุฑุง ููŠ ุชู„ุงุช ุฃูŠุงู… ุณุงุจู‚ุฉ ุญุชู‰ ุงุชู†ุจุฃ ุงูŠุงุด

232
00:17:07,170 --> 00:17:11,970
ุงู„ูŠูˆู… ุงู„ุฑุงุจุน and so onุฅุฐุง ู‡ูŠ ู‡ูŠ ููƒุฑุฉ ุงู„ auto

233
00:17:11,970 --> 00:17:15,050
-regressive ู‡ู„ุฃ ุงู„ุขู† ุจุงู„ backshift operator ูƒูŠู

234
00:17:15,050 --> 00:17:18,650
ุจุชูƒุชุจูˆู‡ุŸ ุจุชูƒุชุจูˆู‡ ุญุชู‰ ูˆ ุงุญู†ุง ุนู…ู„ู†ุง ุงู„ุญุงู„ุงุช ุงู„ุฎุงุตุฉ

235
00:17:18,650 --> 00:17:24,490
ุตุญุŸ ุงู„ุญุงู„ุฉ ุงู„ุนุงู…ุฉ ูŠู„ุง ูƒูŠูุŸ ู‡ุงุฐูŠ ุฅูŠุดุŸ polynomial of

236
00:17:24,490 --> 00:17:31,030
degree whatุŸ P ูุจู†ู‚ูˆู„ P ุฃู‡ ุงู„ P sub P ูŠุนู†ูŠ of P ุจูŠ

237
00:17:31,030 --> 00:17:35,530
ู‡ุฐุง P ู…ุง ุงุญู†ุง ู„ู„ุฃุณู ุงู„ุนุฑุจ ู†ุญูƒูŠ P ูˆ B ุฒูŠ ุจุนุถ ู‡ูŠ sub

238
00:17:35,530 --> 00:17:45,190
ุงู„ P of B ุฃู‡ููู‰ ุงูˆ ูุงู‰ sub P of B XT ุชุณุงูˆูŠ ู…ูŠู†

239
00:17:45,190 --> 00:17:50,990
Epsilon T ุญูŠุซ ุงู† ุงู„ูุงู‰ sub P ู‡ูŠ ุนุจุงุฑุฉ ุนู† ู…ูŠู†

240
00:17:50,990 --> 00:17:56,430
ุจูˆู„ู†ูˆู…ูŠู„ ุงู„ุชูŠ ู‡ูŠ ูˆุงุญุฏ ู†ุงู‚ุต ูุงู‰ ูˆุงุญุฏ ุงู„ ุจู‰ minus

241
00:17:56,430 --> 00:18:01,790
ูุงู‰ ุชู†ูŠู† ุงู„ ุจู‰ ุชุฑุจูŠู‡ and so on ุญุชู‰ ูุงู‰ sub ุงู„ P ููŠ

242
00:18:01,790 --> 00:18:05,230
B to the power P ู…ุธุจูˆุท ูˆ ู‡ูŠ ุจูˆู„ู†ูˆู…ูŠู„ ููŠ degree

243
00:18:05,230 --> 00:18:10,500
ูˆุงุถุญู‡ู„ุง ููŠ ุญุงุฌุฉ ุงู†ุง ุงู„ุงู† ุจุฏูŠ ุงุฌูŠู„ู‡ุง ู…ุญุงุถุฑุชูŠู† ุงูˆ

244
00:18:10,500 --> 00:18:15,280
ุชู„ุงุชุฉ ุญุชู‰ ู†ูŠุฌูŠ ู†ุญูƒูŠ ุนู†ู‡ุง ุจุชูุงุตูŠู„ ุงูƒุซุฑ ู‡ู„ุง ูˆ ู‡ูŠ ุงู†

245
00:18:15,280 --> 00:18:18,720
ุงู„ auto-regressive ู‡ุฐุง ุงู„ model ู„ู…ุง ุจุฏู†ุง ูŠุง

246
00:18:18,720 --> 00:18:23,080
stationary ูŠุฌุจ ุงู† ูŠุญู‚ู‚ ู‡ุงูŠ ุงู„ู„ูŠ ู‡ูŠ ุงู„ุฎุงุตูŠุฉ ุจุฃู†

247
00:18:23,080 --> 00:18:28,320
ุฌู…ูŠุน ุงู„ roots ูŠุนู†ูŠ ุฌู…ูŠุน ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฌุฐูˆุฑ ุงู„ุญู„ูˆู„

248
00:18:28,320 --> 00:18:32,240
ุงู„ู…ุนุงุฏู„ุฉ ุงู„ู„ูŠ ู‡ูŠ ู…ูŠู†ุจุชุงุจุนุฉ ุงู„ู€ Phi ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ

249
00:18:32,240 --> 00:18:37,020
ูˆุงุญุฏ minus A Phi ูˆุงุญุฏ of B minus Phi ุชู†ูŠู† ุชุฑุจูŠุน B

250
00:18:37,020 --> 00:18:41,760
ุชุฑุจูŠุน ุฃูุถู„ ุฅู„ู‰ ุญุฏูŠุฉ Phi B of B ุชุฑุจูŠุน ุงู„ู„ูŠ ุจุชุณุงูˆูŠ

251
00:18:41,760 --> 00:18:47,360
ุณูุฑ ุฌู…ูŠุน ุญู„ูˆู„ู‡ุง ุฌู…ูŠุน ุงู„ุฌุฐูˆุฑ ูŠุฌุจ ุฃู† ุชูƒูˆู† ู…ุง ู„ู‡ ุฃูƒุจุฑ

252
00:18:47,360 --> 00:18:52,860
ู…ู† ูˆุงุญุฏ ุญุชู‰ ุชูƒูˆู† stationaryูˆ ููŠ .. ููŠ ู…ุจุงุฏุฑ ุงู„ู„ูŠ

253
00:18:52,860 --> 00:18:57,000
ู‡ูˆ ุงู„ู†ุงุณ ุจูŠุณู…ูˆู‡ุง ุงู„ casualty property casual ุงู†ุง

254
00:18:57,000 --> 00:19:00,100
ูŠุนู†ูŠ ุงู†ุง ุฎุงุทุฑ ุงุฌู„ู‡ุง ู„ุงู†ู‡ ุงุญู†ุง ู‡ู†ุงุฎุฏู‡ุง ุจุชูุงุตูŠู„

255
00:19:00,100 --> 00:19:03,240
ู†ุนุทูŠูƒูŠ ุดูˆูŠุฉ models ูˆ ู†ู‚ูˆู„ูƒูŠ ูŠู„ุง ุดูˆููŠ ุงู† ู‡ู„ ู‡ุงูŠ ุงู„

256
00:19:03,240 --> 00:19:08,280
series ุจุชุทู„ุน auto regressive casual ูˆู„ุง stationary

257
00:19:08,280 --> 00:19:12,180
ูˆู„ุง ู„ุฃ ุชู…ุงู… ููˆู‚ุชู‡ุง ุงู„ูุฑุด ุจุณ ุงุญู†ุง ุฎู„ูŠู†ุง ู†ุงุฎุฏ

258
00:19:12,180 --> 00:19:15,160
ุงู„ุชูุงุตูŠู„ ุงู„ุฃุณุงุณูŠุฉ ูˆ ุซู… ู†ุฎุด ููŠ ุงู„ุชูุงุตูŠู„ ุงู„ุฏู‚ูŠู‚ุฉ

259
00:19:15,160 --> 00:19:20,490
ููŠู‡ุง ุณุคุงู„ ุงู„ auto regressive ู‡ุฐุงูˆุงุถุญ ุทูŠุจ ู‡ู„ุฃ ุงู„ุขู†

260
00:19:20,490 --> 00:19:23,010
ูŠุง ุจู†ุงุช ููŠู†ุง ุงู„ุขู† ุงู„ auto-regressive ุงู„ู„ูŠ ุงุญู†ุง

261
00:19:23,010 --> 00:19:26,210
ูƒุชุจู†ุงู‡ ุณูˆุงุก ุงู„ุญุงู„ุฉ ุงู„ุฎุงุตุฉ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ู„ูˆุญ ุงูˆ ุงู„ู„ูŠ

262
00:19:26,210 --> 00:19:29,990
ุดูุชู‡ุง ู‚ุจู„ ุดูˆูŠุฉ ูƒุงู† ุญุงู„ุฉ ุฎุงุตุฉ ุงู† ุงู„ูˆุณุท ุงู„ุญุณุงุจ ู„ู„

263
00:19:29,990 --> 00:19:33,750
series ุฐุงุช ู†ูุณู‡ุง ุณูุฑ ููŠู†ุง ู†ุนู…ู…ู‡ุง ูˆ ู†ู‚ูˆู„ ุงู„ series

264
00:19:33,750 --> 00:19:39,590
ู…ุง ู„ู„ูˆุณุทู‡ุง ู…ูŠูˆ in general ุชู…ุงู… ู‡ุง ู„ ู…ูŠูˆ ููƒูŠู

265
00:19:39,590 --> 00:19:44,250
ุงู„ุญุงู„ุฉ ู‡ูŠ ุจ that scene ุทุจุนุง ุงู†ุง ุฎู„ูŠู†ูŠ ุงู‚ุฑุฃ ุงู„ู„ูŠ

266
00:19:44,250 --> 00:19:47,610
ู…ูˆุฌูˆุฏ with backshift operator the process ุงู„ู„ูŠ ู‡ูŠ

267
00:19:47,610 --> 00:19:52,300
ู‡ุงูŠูˆุงู„ู„ูŠ ู‡ูŠ ุงู„ูุงูŠ ุจูŠ ู‡ูŠ ุนุจุงุฑุฉ ุนู† ูˆุงุญุฏ minus ู‡ุฏู‰

268
00:19:52,300 --> 00:19:56,440
ุทุจุนุง ู…ุง ุงู†ุชูˆุง ูุงู‡ู…ูŠู†ู‡ุง ู‡ุฏู‰ ุงุญู†ุง ุญูƒูŠุชู‡ุง ุจุตุฑุงุญุฉ ู…ุด

269
00:19:56,440 --> 00:19:59,340
ุนุงุฑู ู„ูŠุด ูƒู…ุงู† ู…ุฑุฉ ู…ูƒุฑุฑู‡ุง ู‡ุงู† ุจุณ ุฅู†ู…ุง ู‡ูŠ ุดูƒู„ู‡ุง

270
00:19:59,340 --> 00:20:04,180
ู…ูƒุฑุฑุฉ ุฎู„ุงุต ู…ุด ู…ุดูƒู„ุฉ ูƒุฏู‡ ูƒุฅู†ูŠ ุงู†ุง ู…ูƒุฑุฑู‡ุง ู‡ู„ุฃ ุญุชู‰

271
00:20:04,180 --> 00:20:08,880
ู†ุจู„ุด ู†ุญูƒูŠ ุนู† ุงู„ mean ุฅุฐุง ุงู„ mean ุงู„ู„ูŠ ู‡ูˆ ุงู„ mu ุชุจุน

272
00:20:08,880 --> 00:20:13,340
ุงู„ XT ูŠุจู‚ู‰ ู†ุช ู…ุด zero ูููŠ ุงู„ุญุงู„ุฉ ู‡ุฏู‰ we replace ุงู„

273
00:20:13,340 --> 00:20:20,160
XT ุจุฅูŠุดูˆููŠ ุงู„ุญุงู„ุฉ ู‡ุงูŠ we get ุฅูŠุด ุจุฏู„ ู…ุง ู‡ูŠ XT ุชุณูˆู‰

274
00:20:20,160 --> 00:20:25,980
ูุงูŠ ูˆุงุญุฏ XT ู†ุงุฌุณ ูˆุงุญุฏุŒ ูŠุนู†ูŠ ูƒู„ XT ุจุฏูƒ ุชุฑูุนูŠู‡ุง ูˆ

275
00:20:25,980 --> 00:20:30,580
ุชุญุท ุจุฏู„ู‡ุง 100ู‡ูˆ ุจูŠุนุทูŠูƒูŠ ู‡ุฐู‡ ุงู„ู…ุนุงุฏู„ุฉ ูˆุงุถุญุฉ

276
00:20:30,580 --> 00:20:37,260
ู‡ุชู†ู‚ุฑุงู‡ุง XT-MU ุชุณุงูˆูŠ ู…ูŠู† ูุงูŠ ูˆุงุญุฏ ุงูุชุญ ุฌูˆุงุฒ XT

277
00:20:37,260 --> 00:20:42,860
ู†ุงู‚ุต ูˆุงุญุฏ ู†ุงู‚ุต ู…ูŠูˆ ุฒุงุฏ ูุงูŠ ุชุงู†ูŠู† ู†ูุชุญ ุฌูˆุงุฒ XT

278
00:20:42,860 --> 00:20:49,780
ุชุงู†ูŠู† ู†ุงู‚ุต ุชุงู†ูŠู† ู†ุงู‚ุต ู…ูŠูˆ ูˆ ู‡ูƒุฐุง ุทูŠุจ ู…ู…ูƒู† ู‡ุฐุง

279
00:20:49,780 --> 00:20:55,600
ู†ูƒุชุจู‡ ุงู„ู„ูŠ ุงู†ุชูˆุง ุดุงูŠููŠู†ู‡ููŠ ุฏู„ุงู„ุฉ ุฃู† ุงู„ู€ Alpha XT

280
00:20:55,600 --> 00:21:00,720
ุชุณุงูˆูŠ Alpha ุฒุงุฆุฏ Phi ูˆุงุญุฏ XT ู†ุงู‚ุต ูˆุงุญุฏ ุฒุงุฆุฏ Phi

281
00:21:00,720 --> 00:21:04,980
ุชู†ูŠู† XT ู†ุงู‚ุต ุงุชู†ูŠู† ูˆ ู‡ูƒุฐุง ุญูŠุซ ุฃู† ุงู„ Alpha ููŠ

282
00:21:04,980 --> 00:21:11,440
ุงู„ุญุงู„ุฉ ู‡ุฐู‡ ุณุชูƒูˆู† ู…ูŠู† ู‡ูŠ ู„ู… U ู…ุถุฑูˆุจุง ููŠ ูˆุงุญุฏ ู†ุงู‚ุต

283
00:21:11,440 --> 00:21:15,980
ูŠุนู†ูŠ ุงู†ุชูˆุง ุดุงูŠููŠู† ุงู†ู‡ ูƒุฃู†ู‡ ุจุฏู‡ ูŠู‚ูˆู„ูƒ ู‡ุฐู‡ ุงู„ series

284
00:21:15,980 --> 00:21:20,810
ุงู„ุขู† ุงู„ู„ูŠ ูƒุฃู†ู‡ุจุชุดุจู‡ ุงู„ series ุงู„ู„ู‰ ู‚ุจู„ ุดูˆูŠุฉ ูู‰ ุงู„

285
00:21:20,810 --> 00:21:25,350
slide ุงู„ุณุงุจู‚ุฉ ุจุณ ุงู†ู‡ุง ุงู„ alpha ุงู„ู…ุชุนู„ู‚ ุจู…ูŠู†

286
00:21:25,350 --> 00:21:29,130
ุจุงู„ุฃูˆุณุงุท ุงู„ุญุณุงุจูŠุฉ ูˆ ู„ุฐู„ูƒ ู…ุด big deal ู‡ุงู„ alpha ู‡ุฐู‡

287
00:21:29,130 --> 00:21:33,150
ุงู†ู‡ ู†ุนุชุจุฑ ุงู† ุงู„ูˆุณุท ุงู„ุญุณุงุจูŠ zero ูˆ ู…ุด ุญุงู„ู†ุง ููŠ

288
00:21:33,150 --> 00:21:36,410
ุงู„ุญูŠุงุฉ ุงู„ุนู…ู„ูŠุฉ ุจู†ุงุช ุญุชู‰ ุฅุฐุง ูƒุงู†ุช ุงู„ series ูˆุณุทู‡ุง

289
00:21:36,410 --> 00:21:41,350
ุงู„ุญุณุงุจูŠ ู„ุงูŠุณุงูˆู‰ ุณูุฑ ูููŠ ู…ุฌุฑุฏ ุนู…ู„ูŠุฉ ุจุณูŠุทุฉ ุฑูŠุงุถูŠุฉ ุฒู‰

290
00:21:41,350 --> 00:21:44,710
ู…ุง ุงู†ุชูˆุง ุดุงูŠููŠู† ุงู„ุขู† ู†ู‚ุฏุฑ ู†ุนู…ู„ู‡ุง ุจูŠุฎู„ ุงู„ูˆุณุท

291
00:21:44,710 --> 00:21:50,390
ุงู„ุญุณุงุจูŠ ู…ุงู„ู‡ ุณูุฑ ู…ูู‡ูˆู… ุดูˆูŠุฉูˆุจู†ุชุนุงู…ู„ ู…ุน ู…ูŠู†ุŸ ู…ุน ุงู„

292
00:21:50,390 --> 00:21:54,710
series M ูˆุณุท ุตูุฑ ูู…ุด ู‚ุตุฉ ูƒุจูŠุฑุฉ ุงู† ุงู„ู…ูŠูˆ ู…ุด ุตูุฑ

293
00:21:54,710 --> 00:22:00,010
ู…ุฌุฑุฏ ู…ุซุงู„ ุจุณูŠุท ู‡ุฐุง ุทุจุนุง ุงู„ slide ู‡ุฐู‡ ุงู„ุชูˆุถูŠุญ ูˆู‡ูŠูƒู…

294
00:22:00,010 --> 00:22:04,030
ุดุงูŠููŠู†ู‡ุง ุญุชู‰ ู†ุดูˆู ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ุฃู…ุงู…ูŠ ู‡ุฐุง ุดูˆ ุฑุฃูŠูƒู…

295
00:22:04,030 --> 00:22:10,560
ุจุงู„ auto-regressive of order 2ุŸู‡ูˆ ู‡ุง model ุงู„ู„ูŠ

296
00:22:10,560 --> 00:22:16,080
ุจุงู„ุดูƒู„ ู‡ุฐุง Xt ุจุชุณุงูˆูŠ ูˆุงุญุฏ ูˆ ู†ุต ุฒุงุฏ ูˆุงุญุฏ ูˆ ุงุชู†ูŠู† ู…ู†

297
00:22:16,080 --> 00:22:22,000
ุนุดุฑุฉ Xt ู†ุงุฌุณ ูˆุงุญุฏ ู†ุงุฌุณ ู†ุต ุงุณู…ู‡ุง ูŠุง ุจู†ุงุช ููŠ ุงู„ ..

298
00:22:22,000 --> 00:22:26,260
ููŠ ุงู„ุชู„ุฎูŠุต ุงู„ู„ูŠ ุจูŠู† ุฅูŠุฏูŠูƒูˆุง ุจุฎุชู„ู ุฎููŠู ุฃู†ุง ุฒุฏุชู‡

299
00:22:26,260 --> 00:22:29,860
ุงู„ู„ูŠ ู…ุจุงุฑุญ ูˆ ุฃู†ุง ุจุญุถุฑู„ูƒูˆุง ุบูŠุฑุช ุฑู‚ู… ู…ูŠู† ุงู„ุฑู‚ู… ุงู„ู„ูŠ

300
00:22:29,860 --> 00:22:33,360
ุบูŠุฑุชู‡ ุงู‡ ุงู†ุชูˆุง ู‡ุฐุง ุนู†ุฏูƒูˆุง ูˆุงุญุฏ ูˆ ุงุชู†ูŠู† ุงู†ุง ุนู†ุฏูŠ

301
00:22:33,360 --> 00:22:37,420
ู…ูŠู†ุŸูˆุงุญุฏ ูˆ ู†ุต ุนุงุฑููŠู† ู„ูŠุด ุนู…ู„ุชูˆุงุŸ ูˆู…ุงุจูุฑุฌุด ุงู„ุชุงู†ูŠุฉ

302
00:22:37,420 --> 00:22:40,500
ุงู„ุตุญ ุจุณ ุนุดุงู† ุงู†ุชูˆุง ู…ุง ุชู„ุชุฎู…ูˆุด ุจูŠู† ุงู„ูˆุงุญุฏ ูˆ ุงุชู†ูŠุฉ

303
00:22:40,500 --> 00:22:42,200
ู…ู† ุงู„ุนุดุฑุฉ ุงู„ู„ูŠ ู‡ุงู† ูˆ ุจูŠู† ุงู„ูˆุงุญุฏ ูˆ ุงุชู†ูŠุฉ ู…ู† ุงู„ุนุดุฑุฉ

304
00:22:42,200 --> 00:22:46,660
ุงู„ู„ูŠ ู‡ุงู† ู…ุงุดูŠ ุงู„ู‡ุงู†ุŸ ูุงู†ุชูˆุง ุงู„ูˆุงุญุฏ ูˆ ุงุชู†ูŠุฉ ู…ู†

305
00:22:46,660 --> 00:22:51,140
ุงู„ุนุดุฑุฉ ุงู„ู„ูŠ ุนู†ุฏูƒูˆุง ุชู„ุฎู… ู…ุนุงูŠุง ุงู„ูˆุงุญุฏ ูˆ ุงุชู†ูŠุฉ ู…ู†

306
00:22:51,140 --> 00:22:53,440
ุงู„ุนุดุฑุฉ ู‡ุฐู‡ ูู‡ุฐู‡ ูˆุงุญุฏ ูˆ ุงุชู†ูŠุฉ ู…ู† ุงู„ุนุดุฑุฉ ู‡ุฐู‡ .. ู„ุฃ

307
00:22:53,440 --> 00:22:57,540
ุฃู†ุง ุงู„ุฃู‡ุง ุนุฏู„ุชู‡ุง ุฎู„ุชู‡ุง ู…ูŠู†ุŸ ูˆุงุญุฏ ูˆ ู†ุต ูˆ ู‡ุฐู‡ ู…ูŠู†ุŸ

308
00:22:57,540 --> 00:23:01,160
ุนุดุงู† ู…ุง ุชู„ุชุฎู…ูˆุด ุจุณ ู…ุด ุฃูƒุชุฑ ููƒู„ู‡ุง ู‡ูˆ ู…ุง ุตุญ ู…ุด ู‚ุตุฉ

309
00:23:01,160 --> 00:23:03,840
ูƒุจูŠุฑุฉุงู„ู…ู‡ู… ุญุชู‰ ู†ุดูˆู ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ู„ูˆุญ ุงู„ุขู†

310
00:23:03,840 --> 00:23:08,360
ุฃู…ุงู…ูŠ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ูƒู…ุจูŠูˆุชุฑ ุงู„ุงู…ูŠู† ุดุงู ุฃู…ูŠู† ุงู„ alpha

311
00:23:08,360 --> 00:23:15,420
ุญุณุจ ุงู„ู„ูŠ ู…ุง .. ูŠุนู†ูŠ ุงู„ุขู† ู„ูˆ ุฃู†ุง ุนู…ู„ zoom out ุตุญูŠุญ

312
00:23:15,420 --> 00:23:18,800
ู‡ูŠ ู‡ุฐู‡ ูˆุงุญุฏ ูˆ ู†ุต ุทุจ ุญุณุจ ุงู„ุชุนุฑูŠู ู„ู„ alpha ุดูˆ ุงู„

313
00:23:18,800 --> 00:23:21,980
alpha ุจุชู‚ูˆู„ ุงู„ alpha ูˆูŠู†ู‡ุง ุงู„ alpha ุงู„ alpha ู‡ูŠ

314
00:23:21,980 --> 00:23:27,440
ุนุจุงุฑุฉ ุนู† ู…ูŠู† ุงู„ mu ู…ุถุฑูˆุจุง ููŠู‡ ูˆุงุญุฏ ู†ุงู‚ุต ููŠ ูˆุงุญุฏ ู…ู†

315
00:23:27,440 --> 00:23:34,630
ู‡ูŠ ููŠ ูˆุงุญุฏ ูˆุงุญุฏ ูˆ ุงุชู†ูŠู† ู†ุงู‚ุตูุงูŠ ุงุชู†ูŠู† ุตุญุŸ ูŠุนู†ูŠ

316
00:23:34,630 --> 00:23:38,970
ุงูƒุชุจ ุงู„ุขู† ุฃุฑูุน ุงู„ู„ุชูŠ ู‡ูŠ ู…ูŠู† ูŠุง ุจู†ุงุช ูˆุงุญุฏ ูˆ ู†ุต

317
00:23:38,970 --> 00:23:46,910
ุชุณุงูˆูŠ M U ุงู„ู…ุดู‡ูˆู„ุฉ ู…ุถุฑูˆุจุง ููŠ ูˆุงุญุฏ ู†ุงู‚ุต ูˆุงุญุฏ ูˆ

318
00:23:46,910 --> 00:23:54,650
ุงุชู†ูŠู† ู†ุงู‚ุต ู†ุงู‚ุต ู†ุงู‚ุต ู†ุงู‚ุต ู†ุงู‚ุต ุงู‡ ุงู„ู†ุต ูุฌุฏุด ุจูŠุทู„ุน

319
00:23:54,650 --> 00:23:59,930
ู‡ุฏูˆู„ ูˆุงุญุฏ ู†ุงู‚ุต ูˆุงุญุฏ ูˆ ุงุชู†ูŠู† ู…ู† ุนุดุฑุฉ ุฒุงุฆุฏ ู†ุต ุฌุฏุด

320
00:23:59,930 --> 00:24:06,020
ุจูŠุทู„ุนูˆุง ูƒู„ู‡ู…ุชู„ุงุชุฉ ู…ู† ุนุดุฑุฉ ู…ุตุจูˆุท ูุฅุฐุง alpha ุงู„ุชูŠ ู‡ูŠ

321
00:24:06,020 --> 00:24:13,400
ูˆุงุญุฏ ูˆ ู†ุต ุชุณูˆูŠ ู…ูŠูˆ ุถุฏ ู…ูŠู† ุชู„ุงุชุฉ ู…ู† ุนุดุฑุฉ ูŠุจู‚ู‰ ู…ุง ู‡ูŠ

322
00:24:13,400 --> 00:24:18,820
ุงู„ ู…ูŠูˆ ูˆุงุญุฏ ูˆ ู†ุต ุนู„ู‰ ุชู„ุงุชุฉ ู…ู† ุนุดุฑุฉ ุจูŠุทู„ุน ุฎู…ุณุฉ ูŠุจู‚ู‰

323
00:24:18,820 --> 00:24:22,060
ุงู„ุขู† ุงู„ series ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ู‡ูŠ ู‡ูŠูƒ ุดุงูŠููŠู†ู‡ุง ู‡ูŠ ุงู„

324
00:24:22,060 --> 00:24:30,100
mouse ุฃุตุจุญุช ุงู„ุขู† ูƒูŠู ุจุชู†ูƒุชุจ ุจุชู†ูƒุชุจ ู‡ูŠูƒ ุฃู„ุง ูˆู‡ูŠ XT

325
00:24:30,100 --> 00:24:36,640
minus ุฎู…ุณุฉุจุชุณุงูˆูŠ ูˆุงุญุฏ ูˆ ุงุชู†ูŠู† ู…ู† ุนุดุฑุฉ ููŠ Xt ู†ุงู‚ุต

326
00:24:36,640 --> 00:24:44,540
ูˆุงุญุฏ ู†ุงุฌุณ ุฎู…ุณุฉ ู†ู‚ุต ู†ุต ู†ูุชุญ ุฌูˆุฒ Xt ู†ุงุฌุณ ุงุชู†ูŠู† ู†ุงุฌุณ

327
00:24:44,540 --> 00:24:50,360
ุฎู…ุณุฉ ุฒุงุฏ ู…ูŠู† ุฃุจุณู„ูˆู† ุชูŠู† ุนุงุฑููŠู† ู…ู† ุงู„ุฎู…ุณุฉ ู‡ุฐุง ุงู„ูˆุณุท

328
00:24:50,360 --> 00:24:54,420
ูุฅุฐุง ุฃุตุจุญุช ุงู„ series ุจุฏู„ุงู„ุฉ ุงู„ูˆุณุท ุงู„ุญุณุงุจูŠ ู‡ูŠ ู…ู†

329
00:24:54,420 --> 00:24:56,760
ูŠุญูŠุท ููŠ ู…ุดูƒู„ุฉ

330
00:25:01,170 --> 00:25:06,350
ุฎู„ุงุต ุฎู„ุตู†ุง ู†ุฃุชูŠ ุงู„ุขู† ุฅู„ู‰ ูŠุง ุชุฑู‰ ูƒูŠู ู…ู…ูƒู† ูŠูƒูˆู† ุดูƒู„

331
00:25:06,350 --> 00:25:09,810
ุงู„ auto-regressive ู‡ุง of order ูˆุงุญุฏ ู„ูˆ ุนู…ู„ู†ุง ู„ู‡

332
00:25:09,810 --> 00:25:13,730
simulation ุทุจุนุง ู‡ุฐุง ุงู„ code ุจูŠุนู…ู„ simulation ุงู„

333
00:25:13,730 --> 00:25:16,590
function ููŠ ุงู„ R ุงู„ู„ูŠ ุจุชุนู…ู„ simulation ู…ู† ุงู„ auto

334
00:25:16,590 --> 00:25:21,030
-regressive model ู‡ูŠ ุงุณู…ู‡ุง arima.simููŠ function

335
00:25:21,030 --> 00:25:25,510
build in R ุงุณู…ู‡ุง arima.sim ุทุจุนุง ุงู„ seed ุงุญู†ุง ุญูƒูŠู†ุง

336
00:25:25,510 --> 00:25:29,550
ุนู†ู‡ ุงู„ู…ุญุงุถุฑุฉ ุงู„ุณุงุจู‚ุฉ ุตุญ ูู‚ู„ู†ุง ู„ูˆ ุงู†ุชูˆุง ุญุงุทูŠุช ู†ูุณ

337
00:25:29,550 --> 00:25:34,370
ุงู„ seed ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ ูˆุงุญุฏ ุงุชู†ูŠู† ุชู„ุช ุจูŠุทู„ุนู„ูƒ ู†ูุณ ู…ูŠู†

338
00:25:34,370 --> 00:25:38,470
ุงู„ู„ูŠ ุจูŠุทู„ุน ู…ุนุงูƒูŠ ู‡ุฐู‡ ุงู„ูƒุงุฑูˆุณูˆู…ุงุช ู‡ู„ุฃ ุงู„ุขู† ุงู„

339
00:25:38,470 --> 00:25:43,450
function ุงุณู…ู‡ุง arima.sim ููŠ ุงู„ R ุนุฏุฏ ุงู„ู…ุดุงู‡ุฏุงุช

340
00:25:43,450 --> 00:25:47,810
ุงู„ู„ูŠ ุจุฏูŠู‡ู… ุงู„ู„ูŠ ู‡ูˆ ุทูˆู„ ุงู„ุณู„ุณู„ุฉLength of the series

341
00:25:47,810 --> 00:25:54,630
ูƒู… ู‚ูŠู…ุฉ 100 ู‡ู†ุง ุงู„ุงู† ุงู„ order ุงู„ู„ูŠ ุงู†ุง ุจุนู…ู„ู‡

342
00:25:54,630 --> 00:26:00,990
simulation ูˆุงุญุฏ ุชุฏู„ ุนู„ู‰ ู…ูŠู† ุงู„ auto-regressive ู‡ุฐุง

343
00:26:00,990 --> 00:26:03,950
ุงู„ุฃูˆู„ุงู†ูŠ ุงู„ order ูŠุง ุจู†ุงุช ููŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ function

344
00:26:03,950 --> 00:26:08,470
ุงุณู…ู‡ุง arima.sim ุฃูˆู„

345
00:26:08,470 --> 00:26:12,690
ูˆุงุญุฏ ู„ู‡ ุนู„ุงู‚ุฉ ุจุงู„ auto-regressive ุงู„ุฃุฎุฑุงู†ูŠ ู„ู‡

346
00:26:12,690 --> 00:26:17,000
ุนู„ุงู‚ุฉ ุจุงู„ moving averageุงู„ู„ูŠ ู‡ู†ุงุฎุฏู‡ ูƒู…ุงู† ุดูˆูŠุฉ

347
00:26:17,000 --> 00:26:21,840
ุงู„ูˆุตุทุงู†ูŠ ุงู†ู‡ ุนู„ุงู‚ุฉ ุจุงู„ุงุฑูŠู…ุฉ ูˆู„ูŠุณ ุงู„ุงุฑู…ุฉ ุจุงู„ I ุญุฑู

348
00:26:21,840 --> 00:26:25,640
ุงู„ I ู‡ุฐุง ุชุจุน ุงู„ุงุฑู…ุฉ ู„ู…ุง ู†ุตูŠุฑ ุงุฑูŠู…ุฉ ูŠุนู†ูŠ ุงู„

349
00:26:25,640 --> 00:26:31,560
differences ุงู‡ ูุงุญู†ุง ุงู„ู‰ ุงู„ุขู† ู…ุง ุจู†ุญูƒูŠ ุงู„ู„ูŠ ุนู†

350
00:26:31,560 --> 00:26:35,300
auto-regressive ุงูŠุด ุงู„ orderุŸ ุฌุฏูŠุดุŸ ูˆุงุญุฏ ุงุฐุง ู‡ุงูŠ

351
00:26:35,300 --> 00:26:41,580
ูˆุงุญุฏ ู…ูŠู† ู‡ูˆ ุงู„ู„ูŠ ู‡ูˆ ุงู„ parameter ุงู„ู„ูŠ ุจุฏูŠ 8 ู…ู† 10

352
00:26:41,580 --> 00:26:45,630
ู‡ูŠู‡ุง ุงู„ series ูŠุง ุจู†ุงุช ู‡ูŠู‡ุง ู…ูƒุชูˆุจุฉ ููˆู‚XT ุดูˆ ุจุชุณุงูˆูŠ

353
00:26:45,630 --> 00:26:51,750
ุชู…ุงู†ูŠุฉ ู…ู† ุนุดุฑุฉ XT ู…ุงุฌุณ ูˆุงุญุฏ ุฒุงุฆุฏ Epsilon T ู‡ุฐุง ุงู„

354
00:26:51,750 --> 00:26:55,130
code ุจูŠุนู…ู„ simulation ู…ู† series ุจุงู„ุดูƒู„ ู‡ุฐุง ู…ุงุดูŠ

355
00:26:55,130 --> 00:27:01,690
ุงู„ุญุงู„ ุดูˆ ูŠุนู†ูŠ ุจูˆู„ุฏ ู…ุดุงู‡ุฏุงุช ูŠุนู†ูŠ ูŠุนู†ูŠ ู‚ูŠู… ู…ุงุดูŠ ู…ู†

356
00:27:01,690 --> 00:27:07,470
ู‡ุฐู‡ ุงู„ุณู„ุณู„ุฉูˆุฑุณู…ุงุชู‡ู… ุฃู…ุงู…ูƒู… ุฃูˆู„ ุฑุณู…ุฉ ุฑุณู…ุฉ ุงู„ series

357
00:27:07,470 --> 00:27:10,730
ุฐุงุช ู†ูุณู‡ุง ุงู„ู„ูŠ ุนู…ู„ู†ุง ู„ู‡ุง simulation ุงู„ุฑุณู…ุฉ ุงู„ุชุงู†ูŠุฉ

358
00:27:10,730 --> 00:27:13,330
ู‡ูŠ ุฑุณู…ุฉ ุงู„ auto correlation ุงู„ุฑุณู…ุฉ ุงู„ุฃุฎูŠุฑุฉ ู‡ูŠ ุงู„

359
00:27:13,330 --> 00:27:15,170
partial auto correlation ุงู„ partial ู„ุญุฏ ุงู„ู„ูŠ

360
00:27:15,170 --> 00:27:18,690
ู…ุงุญูƒูŠู†ุงุด ุนู†ู‡ ุจุงู„ุชูุตูŠู„ ูˆู„ูƒู† ุงู†ุง ุฎู„ูŠู†ูŠ ุงู†ุง ุนู„ู‰

361
00:27:18,690 --> 00:27:21,810
ุงู„ุณุฑูŠุน ุงุญูƒูŠ ุนู† ุฑุณูˆู…ุชูŠ ุงู„ุชู„ุงุชุฉ ุงูƒุจุฑ ุงุนู…ู„ ุงุจุฏุฃ ููŠ

362
00:27:21,810 --> 00:27:26,630
ุงู„ุฑุณู…ุฉ ุงู„ุฃูˆู„ู‰ ุงู†ุง

363
00:27:26,630 --> 00:27:31,190
ุงู‚ูˆู„ูƒ ุดูˆ ุงู„ู„ูŠ ุจูŠุตูŠุฑ ู‡ูˆ ู‚ุฏุงุด ุงู„ series ูƒุงู†ุช

364
00:27:33,870 --> 00:27:39,930
ุฃูŠูˆุฉ 8 ู…ู† 10 ูŠุนู†ูŠ ูŠุง ุจู†ุงุช ู„ูˆ ุงู„ XT ู‡ุฐู‡ ูƒุงู†ุช ุฃูˆู„

365
00:27:39,930 --> 00:27:44,670
ู‚ูŠู…ุฉ ูˆุงุญุฏ ุชุณุงูˆูŠ ุดูˆ ุจูŠุนู…ู„ ุงู„ seriesุŸ ูŠุนู†ูŠ ุงุชุงู†ูŠ

366
00:27:44,670 --> 00:27:51,410
ู‚ูŠู…ุฉ ูƒูŠู ุจุฏู‡ ุชูƒูˆู†ุŸ ูˆุงุญุฏ ุถุฑุจ ูŠุนู†ูŠ ุชู…ุงู†ูŠุฉ ู…ู† ุนุดุฑุฉ

367
00:27:51,410 --> 00:27:57,390
ุฒุงุฏ ู…ู† ุงู„ epsilon ุงู„ุฐูŠ ู‡ูˆ error ุงู„ู„ูŠ ู‡ูˆ ุฎุทุฃ ูู…ุซู„ุง

368
00:27:57,390 --> 00:28:01,170
ูŠุนู†ูŠ ุงู„ error ุญุฏ ุจุชุฑูˆุญ ุญูˆุงู„ูŠู† ุงู„ zero ู…ุตุจูˆุจุŸ ุจุณ

369
00:28:01,170 --> 00:28:05,660
ู…ุงุจุนุฑููˆุด ู‚ุฏุงุดุฑ ู‡ูˆ errorูู…ุซู„ุง ุชู…ุงู†ูŠุฉ ู…ู† ุนุดุฑุฉ ุฒุงุฏ

370
00:28:05,660 --> 00:28:11,540
ุนุดุฑ ูƒุฏู‡ ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูุงู‡ู…ูŠู† ุงูŠู‡ ูŠู„ุง ู…ูŠู†

371
00:28:11,540 --> 00:28:15,960
ุงู„ู‚ูŠู…ุฉ ุงู„ู„ูŠ ุจุนุฏ ู‡ูŠูƒ ุชู…ุงู†ูŠุฉ ู…ู† ุนุดุฑุฉ ุถุฑุจ ุชุณุนุฉ ู…ู†

372
00:28:15,960 --> 00:28:19,360
ุนุดุฑุฉ ูƒุฏู‡ ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูƒุฏู‡ ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ

373
00:28:19,360 --> 00:28:20,760
ูƒุฏู‡ ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูƒุฏู‡ ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูƒุฏู‡

374
00:28:20,760 --> 00:28:21,580
ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูƒุฏู‡ ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูƒุฏู‡

375
00:28:21,580 --> 00:28:24,240
ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูƒุฏู‡ ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูƒุฏู‡

376
00:28:24,240 --> 00:28:29,580
ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูƒุฏู‡ ู‡ุชุทู„ุน ุชุณุนุฉ ู…ู† ุนุดุฑุฉ ูƒุฏู‡

377
00:28:29,580 --> 00:28:33,900
ู‡ุชุทู„ุน ุชูู…ุซู„ุง ุจูŠุทู„ุน ุณุจุนุฉ ู…ู† ุนุดุฑุฉ ู…ุซู„ุง ู…ุซู„ุง ู…ุงุดูŠู„ูŠู‡ุง

378
00:28:33,900 --> 00:28:37,920
ุณุจุนุฉ ู…ู† ุนุดุฑุฉ ูŠู„ุง ุงู„ู„ูŠ ุจู‚ุนุฏ ู‡ูŠูƒ ู…ูŠู† ู‡ุชูƒูˆู† ูƒู…ุงู†ูŠุฉ ู…ู†

379
00:28:37,920 --> 00:28:44,820
ุนุดุฑุฉ ุฏุฑุจ ุณุจุนุฉ ู…ู† ุนุดุฑุฉ ุณุชุฉ ูˆ ุฎู…ุณูŠู† ุฒุงุฆุฏ ู…ุซู„ุง ุงู„

380
00:28:44,820 --> 00:28:48,940
epsilon ู‡ุฐู‡ ุงู„ุชูŠ ู…ุซู„ุง ุชู† ู…ู† ุนุดุฑุฉ ุฌุฏูŠุด ุจูŠุทู„ุน ูŠุนู†ูŠ

381
00:28:48,940 --> 00:28:52,700
ุงู„ู…ู‡ู… ู‡ูˆ ูƒุฐุง ูŠุจู‚ู‰ ู„ูˆ ุงุทู„ุนุชูˆุง ุงู†ุชูˆุง ุนู„ู‰ ุงู„ุฑุณู… ุงู„ู„ูŠ

382
00:28:52,700 --> 00:28:57,320
ุทู„ุนู‡ุง ู‡ุงู† ุณุชุฌุฏูˆุง

383
00:28:57,320 --> 00:29:01,910
ุงู†ู‡ ู‡ูˆ ุดูˆ ุจูŠุณูˆูŠู‡ ุจูŠุจุฏุฃ ู…ู† ู‚ูŠู…ุฉ ู‡ุงู†ู…ุตุจูˆุจุŸ ุจุถุฑุจ ุฃุจูˆ

384
00:29:01,910 --> 00:29:05,050
ุชู…ุงู†ูŠุฉ ู…ู† ุนุดุฑุฉ ุจุถูŠู ู„ู‡ุง error ูุจุทู„ุน ุงู„ู‚ูŠู…ุฉ ุงู„ุฌุฏูŠุฏุฉ

385
00:29:05,050 --> 00:29:10,610
.. ู†ุญูŠูƒุŸ ุจุชู„ุงุฌูˆู‡ ุฅู„ู‰ ุญุฏ ู…ุง ู…ุงุดูŠ ุจุงู„ trend ูŠุนู†ูŠ ..

386
00:29:10,610 --> 00:29:14,050
ุงู‡ .. ุฅู„ู‰ ุญุฏ ู…ุง ู…ุงุดูŠ ุจุงู„ trend ู…ุงู„ู‡ ุฃูˆ ุชู…ุงู†ูŠุฉ ู…ู†

387
00:29:14,050 --> 00:29:17,610
ุนุดุฑุฉ ู…ุน ุดูˆูŠุฉ ุฅูŠุด .. error .. ูุงู‡ู…ูŠู† ุดูˆ ุจุญูƒูŠู‡ุŸ ูŠุนู†ูŠ

388
00:29:17,610 --> 00:29:19,810
ุจุฏุฑุจ ุงู„ู‚ูŠู…ุฉ ุงู„ู„ูŠ .. ุฒูŠ ู…ุง ู†ุนู…ู„ .. ุจุฏุฑุจ ุงู„ู‚ูŠู…ุฉ ุงู„ู„ูŠ

389
00:29:19,810 --> 00:29:22,710
ุฌุจู„ู‡ุง ุชู…ุงู†ูŠุฉ ู…ู† ุนุดุฑุฉ ุจุฌู…ุน ู„ู‡ุง error ูุจุชู„ุงุฌูˆู‡ ู‡ุฐุง

390
00:29:22,710 --> 00:29:24,630
ุงู„ error ู…ุง ู‡ูˆ .. ุงู†ุง .. ุงู†ุง .. ู…ุงุจู‚ุฏุฑุด ุฃุนู…ู„ู‡

391
00:29:24,630 --> 00:29:28,230
control ู„ู„ error .. ู…ุงุจู‚ุฏุฑ .. error ..ู…ุง ุจู‚ุฏุฑ ุฃุนุฑู

392
00:29:28,230 --> 00:29:31,370
ู„ูƒู† ุงู„ error ู…ู…ูƒู† ูŠุทู„ุน ููˆู‚ ู…ู…ูƒู† ูŠูƒูˆู† ุชุญุช .. ุจุณ ุงู„

393
00:29:31,370 --> 00:29:36,470
series ุจุชูƒูˆู† ุดูƒู„ู‡ุง ุฅู„ู‰ ุญุฏ ู…ุง ูŠุนู†ูŠ ู…ุงุดูŠุฉ ุจู†ู…ุท ูˆุงุญุฏ

394
00:29:36,470 --> 00:29:40,570
.. ู…ุงุดูŠุฉ ุจู†ู…ุท ูˆุงุญุฏ ูƒูŠู ูŠุนู†ูŠ ู†ู…ุท ูˆุงุญุฏุŸ ูŠุนู†ูŠ

395
00:29:40,570 --> 00:29:47,550
ู…ุงุจุชู„ุงู‚ูˆุด ุชุฐุฐุจุงุช ุดุฏูŠุฏุฉ ูˆุงุถุญุŸ ุทูŠุจ ุงุณู…ู‡ ูŠุง ุจู†ุงู‡ ุงู„

396
00:29:47,550 --> 00:29:51,610
auto-regressive model ุงู„ู„ูŠ ุจูŠุญุฏุฏู„ูŠ ุงู„ order ู…ุด

397
00:29:51,610 --> 00:29:56,910
ุฑุณู…ุฉ ุงู„ ACFุงู„ู„ูŠ ุจูŠุญุฏุฏู‡ุง ูˆ ู‡ู†ุงุฎุฏู‡ ุงู† ุดุงุก ุงู„ู„ู‡ ููŠู‡

398
00:29:56,910 --> 00:30:02,690
ู…ุงุจุนุฏ ุงู„ุจุงุฑุดุง ุงู„ุจุงุฑุดุง ุงู„ุจุงุฑุดุง ุงู„ auto-regressive

399
00:30:02,690 --> 00:30:07,530
ุงูˆ ุงู„ arch ุงุนููˆุง ุงู†ุง ุงุด ุงุณู…ู‡ุง ุงู„ุจุงุฑุดุง ุงู„ ACF ุฑุณู…

400
00:30:07,530 --> 00:30:12,290
ุงู„ุชุงู„ุช ูŠุนู†ูŠ ุงู„ู„ูŠ ู„ุญุฏ ุงู† ุงู†ุง ู…ุงุดุฑุญุชูˆุด ุจุชุทู„ุนูˆุง ุนู„ูŠู‡

401
00:30:12,290 --> 00:30:18,650
ุงูˆู„ ูˆุงุญุฏ ุจูŠุนุฏูŠ ุงู„ุฎุท ุงู„ุฃุฒุฑุฌ ุจูŠุญุฏุฏ ุงู„ order ุชุจุน ุงู„

402
00:30:18,650 --> 00:30:22,210
auto-regressive ู…ุชู‰ ู…ุนุฏูŠ ุงู„ุฎุท ุงู„ุฃุฒุฑุฌ ูŠุนู†ูŠ

403
00:30:27,190 --> 00:30:31,410
ูˆุงุญุฏ ู‡ูŠ ุนู†ุฏ ุงู„ูˆุงุญุฏ ุทู„ุน ุงู†ุชูˆุง ูƒู„ ุงู„ุฎุทูˆุท ุงู„ุฒุฑู‚ ู‡ุงูŠ

404
00:30:31,410 --> 00:30:34,890
.. ุงู„ุฎุทูŠู† ุงู„ุฒุฑู‚ ูƒู„ู‡ู… ู…ุงู„ู‡ู…ุŸ ุจูŠู†ู‡ู… .. ู…ูŠู† ุฃูˆู„

405
00:30:34,890 --> 00:30:37,990
ูˆุงุญุฏุฉุŸ ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ

406
00:30:37,990 --> 00:30:38,670
.. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ ..

407
00:30:38,670 --> 00:30:38,750
ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ

408
00:30:38,750 --> 00:30:41,090
.. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ ..

409
00:30:41,090 --> 00:30:42,630
.. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ ..

410
00:30:42,630 --> 00:30:45,230
ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ

411
00:30:45,230 --> 00:30:50,750
.. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ .. ูˆุงุญุฏุฉ ..

412
00:30:50,750 --> 00:30:56,850
ูˆุงุญุฏุฉ

413
00:30:57,630 --> 00:31:00,930
ุฃู† ุงู„ partial auto correlation ู‡ูˆ ุงู„ู„ูŠ ุจุญุฏุฏ ุงู„

414
00:31:00,930 --> 00:31:04,750
order ุชุจุน ุงู„ auto regressive ู‚ุฏุงุด ุฃูˆู„ ูˆุงุญุฏ ู‡ู†ุง

415
00:31:04,750 --> 00:31:09,030
ู…ุนุฏูŠ ุงู„ุฎุท ุงู„ุฃุฒุฑู‚ ุนู†ุฏ ู…ูŠู†ุŸ ุนู†ุฏ ุงู„ูˆุงุญุฏ ูู‡ุฐุง ุงู„ู„ูŠ

416
00:31:09,030 --> 00:31:13,470
ุจูŠู‚ุชุฑุญ ุนู„ูŠุง ุฃู† ุงู„ model ู‡ุฐุง ุงู„ model ู…ูŠู† ู‡ูˆ AR1

417
00:31:13,470 --> 00:31:17,710
auto regressive ูˆุงุญุฏ ุชู…ุงู… ู‡ู†ุงุŸ ุทูŠุจ ู†ุดูˆู ุฑุณู…ุฉ ุชุงู†ูŠุฉ

418
00:31:17,710 --> 00:31:23,670
ูŠุง ุจู†ุงุช ุฑุณู…ุฉ auto

419
00:31:23,670 --> 00:31:25,990
regressive of order ุชู†ูŠู† ูˆู‡ูŠ ุงู„ model ุชุญุช

420
00:31:29,880 --> 00:31:35,280
ูŠุนู†ูŠ ู‡ุฐุง ุงู„ code ุจูŠุนู…ู„ ุงูŠุด ุงู„ simulation ุงู„ series

421
00:31:35,280 --> 00:31:41,520
ุงู‡ ุงูˆุชูˆ ุฑูŠุฌุฑุณูŠู ุงู„ model ู…ุงู„ู‡ ุงูˆุชูˆ ุฑูŠุฌุฑุณูŠู ูˆ ููŠ

422
00:31:41,520 --> 00:31:46,500
order 2 ูุงู‡ู…ูŠุด ู…ุง ุจุญูƒูŠ ู‡ุงูŠ ุงู„ series ุทุจุนุง ูƒู…ุงู† ู…ุฑุฉ

423
00:31:46,500 --> 00:31:51,580
ู‡ู†ุณุชุฎุฏู… ุงู„ function ุงุณู…ู‡ุง ู…ูŠู† arima.sim ูˆ ู…ุซู„ุง 200

424
00:31:51,580 --> 00:31:56,590
ู…ุดุงู‡ุฏุฉ ุนู†ุฏู‰ูˆ ุงู„ order ู‡ู†ุง ู‡ูŠูƒูˆู† ู…ูŠู† ููƒุฑูƒูˆุงุŸ ุจู†ูŠุงู†

425
00:31:56,590 --> 00:32:01,610
ูˆ ููŠุด ู‡ู†ุง ู„ุง moving average ูˆู„ุง ุบูŠุฑู‡ ูˆ ู…ูŠู† ู‡ู… ุงู„

426
00:32:01,610 --> 00:32:04,170
parameters ุชุจุนุงุช ุงู„ auto-regressiveุŸ ู‡ุงูŠ ู‡ู… ู…ูŠู†

427
00:32:04,170 --> 00:32:10,110
ู‡ู…ุŸ ูˆุงุญุฏ ูˆ ูˆุงุญุฏ ูˆ ู…ูŠู† ู‡ูŠุŸ ูˆ ุณุงู„ุจ ุชู„ุงุชุฉ ู…ู† ุนุดุฑ ุตุญุŸ

428
00:32:10,110 --> 00:32:17,270
ูุจูŠุนู…ู„ series ู„ุงู† ุทูˆู„ู‡ุง ู‚ุฏุงุดุฑุŸ ู…ุชูŠู†ุŸ ู…ู† ูˆูŠู†ุŸู…ู†

429
00:32:17,270 --> 00:32:21,830
auto regressor ุงู„ู„ูŠ ู‡ูŠูƒ ุจุงู„ุดูƒู„ ู†ุญูŠู‡ ูˆู‡ูŠู‡ ุจุฑุณู…ู‡ุง

430
00:32:21,830 --> 00:32:25,910
ุงู„ุงู† ุงุญู†ุง ุงู„ุฑุณู…ุฉ ุฒู‰ ู…ุง ุงู†ุชูˆุง ุดุงูŠููŠู†ู‰ ูŠุนู†ู‰ ู…ุด ู‡ู†ุญูƒู‰

431
00:32:25,910 --> 00:32:30,790
ููŠู‡ุง ูƒุชูŠุฑ ู„ุฅู†ู‡ ุตุฑุงุญุฉ ุงู„ููƒุฑุฉ ูƒูŠู ุจูŠุณูˆูŠ ู‡ูˆ ุจุฑูˆุญ ุจุญุท

432
00:32:30,790 --> 00:32:36,510
ูˆุงุญุฏ ูˆุงุญุฏ ู…ู† ุนุดุฑุฉ ุจุถุฑุจู‡ุง ููŠ ู‚ูŠู…ุฉ ู…ูŠู† ุงู„ XT ูˆ ุจุถุฑุจ

433
00:32:36,510 --> 00:32:40,470
ู…ูŠู† ุงู„ XT ู†ุงุฌุณุฉ ุงุชู†ูŠู† ุงู„ู‚ูŠู…ุฉ ุงู„ู„ู‰ ุณุงุจู‚ุฉ ู…ู†ู‡ุง

434
00:32:40,470 --> 00:32:45,970
ุจุถุฑุจู‡ุง ุจู…ูŠู†ุณู„ุทุฉ ูˆ ุจุฌู…ุนู‡ู… ู„ู…ูŠู† ู„ู„ู‚ุฑุงุฑ ุนุดุงู† ูŠุทู„ุน ู„ูŠ

435
00:32:45,970 --> 00:32:50,270
ู…ูŠู† ุงู„ XT ูˆ ู…ู† ุซู… ุจูŠุนู…ู„ ู†ูุณ ุงู„ูƒู„ุงู… ูˆ ุจูŠูƒุฑุฑู‡ ูุจุทู„ุน

436
00:32:50,270 --> 00:32:54,750
ู„ูŠู‡ ุดูƒู„ ุงู„ series ุฒูŠ ู‡ูŠ ูˆ ุฃุญูƒูŠูƒูˆุง ุดุบู„ ูˆุงุญุฏุฉ ุฃู†ุง

437
00:32:54,750 --> 00:32:58,350
ู„ุญุฏ ุฏู„ูˆู‚ุช ู…ุด ู‡ุญูƒูŠ ุนู† ุงู„ ACF ู‡ุญูƒูŠ ุนู† ู…ูŠู† ู„ุญุฏ ุฏู„ูˆู‚ุช

438
00:32:58,350 --> 00:33:02,210
ุงู„ partial ูˆุฅู† ูƒุงู† ู‡ุญูƒูŠ ุนู†ู‡ ููŠู…ุง ุจุนุฏ ุจุณ ุฎู„ูŠู†ูŠ ู†ุทู„ุน

439
00:33:02,210 --> 00:33:04,610
ุนู„ู‰ ุงู„ partial ุงู„ู„ูŠ ู‡ูŠ ุงู„ุฑุณู…ุฉ ุงู„ุฃุฎูŠุฑุฉ ุทู„ุนูˆุง ุนู„ู‰ ุงู„

440
00:33:04,610 --> 00:33:07,850
partial ูŠู„ุง ุดูˆ ุจุชู‚ุชุฑุญ ุนู„ูŠูƒู… ุงู„ุขู† ุฃู…ุง ูˆุฅู† ูู‡ู…ู†ุงู‡

441
00:33:07,850 --> 00:33:08,350
ู‚ุจู„ ุดูˆูŠุฉ

442
00:33:12,750 --> 00:33:14,150
ู‡ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚ู„ู‚

443
00:33:18,940 --> 00:33:23,000
ุงู„ order ุฃู†ุง ุงุชู†ูŠู† ู„ู…ุง ู†ูƒูˆู† ุงู„ partial ุฑุณู…ุชู‡

444
00:33:23,000 --> 00:33:28,480
ูุงู‡ู…ู†ุง ุฑุณู…ุช ุงู„ partial ุจุชุทู„ุน ุนู„ูŠู‡ุง ูˆ ุฑุณู…ุชู‡ ุงู„ุฎุทูˆุท

445
00:33:28,480 --> 00:33:31,860
ุนู†ุฏูŠ ู…ุนุฏูŠุฉ ุงู„ุฒุฑู‚ ุจุนูŠุฏ ุฌุฏูŠุด ุงู„ุฎุทูˆุท ุงู„ู„ูŠ ู…ุนุฏูŠุฉ ุงู„ุฒุฑู‚

446
00:33:31,860 --> 00:33:36,120
ู‡ูˆ ูƒุงู… ูˆุงุญุฏ ู‡ู†ุง ู…ุนุฏู‰ ูˆุงุญุฏ ูˆ ุงุชู†ูŠู† ุงุฐุง ู‡ู†ุง ุชู‚ุชุฑุญ

447
00:33:36,120 --> 00:33:40,300
ุนู„ูŠ ุงู† ุงู†ุง ุนู†ุฏูŠ ุงูŠุงุด auto regression of moda of

448
00:33:40,300 --> 00:33:42,680
order ู…ูŠู† ุงุชู†ูŠู† ุชู…ุงู… ู‡ู‰

449
00:33:45,540 --> 00:33:48,500
ุทุจุนุง ุงุญู†ุง ู‡ู†ุฌูŠู†ุง ุจุนุฏ ุงู† ุดุงุก ุงู„ู„ู‡ ู†ุดุฑุญุด ุงู„

450
00:33:48,500 --> 00:33:51,380
autoregulation ูˆ ุญุชู‰ ู‡ู†ุชุทู„ุน ุนู„ูŠู‡ุง ูˆ ู†ู‚ูˆู„ ูƒูŠู

451
00:33:51,380 --> 00:33:54,800
ุฑุณู…ุชู‡ุง ุงู†ู‡ุง tail off ูˆ ู…ุงุจุนุฑู ู…ู†ู‡ุง ุงู„ูƒู„ุงู… ุจุณ ุงู„ุงู†

452
00:33:54,800 --> 00:33:59,000
ุงู†ุง ู…ุด ุญุงุจุจ ุงุญูƒูŠ ููŠู‡ ุงู„ุชูุงุตูŠู„ ุนู„ู‰ ุฃุณุงุณ ุจุฏูŠ ุฃุฌู„ู‡

453
00:33:59,000 --> 00:34:03,240
ุญุชู‰ ู†ุจู„ุด ู†ุญูƒูŠ ุงู„ุขู† ุนุงู„ู…ูŠุง moving average ุฎู„ุตู†ุง ู…ู†

454
00:34:03,240 --> 00:34:07,970
ุงู„ autoregulationุจู†ุจู„ุด ู†ุญูƒูŠ ุนู† ู…ูŠู† moving average

455
00:34:07,970 --> 00:34:11,310
model ู‡ู„ุง ุงู„ moving average model ุงู„ู„ูŠ ุนู…ู„ู†ุงู‡ ู‚ุจู„

456
00:34:11,310 --> 00:34:14,390
ุดูˆูŠุฉ ุนู„ู‰ ุงู„ู„ูˆุญ ุจูŠุนู…ู„ู‡ ููŠ ู…ูŠู† ู‚ุจู„ ู…ุง ู†ุตู„ ู„ู„ุญุงู„ุฉ

457
00:34:14,390 --> 00:34:17,290
ุงู„ุนุงู…ุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ุงู„ computer ู‡ุชู†ุจู„ุด ู†ุญูƒูŠ ุนู„ู‰

458
00:34:17,290 --> 00:34:26,710
ุงู„ุญุงู„ุงุช ุงู„ุฎุงุตุฉ ู…ู†ู‡ ุนุดุงู† ู†ูู‡ู…ู‡ ูƒุญุงู„ุฉ ุนุงู…ุฉ ุงู„ุญุงู„ุฉ

459
00:34:26,710 --> 00:34:30,830
ุงู„ุฎุงุตุฉ ู…ู†ู‡ ุงู„ moving average ููŠ order ูˆุงุญุฏ ุทุจุนุง

460
00:34:30,830 --> 00:34:32,170
ูƒู…ุงู† ู…ุฑุฉ ุงุณู…ู‡ ู‡ุฐุง moving

461
00:34:35,610 --> 00:34:44,650
Average of order ุทุจุนุง ูˆุงุญุฏ ู…ุซู„ุง ููŠ ุงู„ุญู„ู‚ุฉ ู‡ุฐู‡ ู†ูƒุชุจ

462
00:34:44,650 --> 00:34:50,370
ูƒุชุงุจุฉ ุชุงู„ูŠุฉ Xt ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุฃุจุณู„ูˆู† T ุฒุงุฆุฏ ููŠ ุฃูˆ ููŠ

463
00:34:50,370 --> 00:34:55,210
ุฃูˆ ุซูŠุชุง ุนูุฑ ุฎู„ูŠู†ุง ู†ุณู…ูŠ ุฑู…ุฒ ุฌุฏูŠุฏ ุซูŠุชุง ุฃุจุณู„ูˆู† T

464
00:34:55,210 --> 00:34:58,530
ู…ุงูŠู†ุณ ูˆุงุญุฏ ุญูŠุซ ุฃู† ุงู„ุฃุจุณู„ูˆู† ู†ูุณ ุงู„ุดูŠุก ุงู„ู„ูŠ ุจุชุนุฑูู‡

465
00:34:58,530 --> 00:35:04,850
ุฃู„ุงูˆุฉ ู‡ูŠ white noise zero sigma ุชุฑุจูŠุฉ ู…ูŠู† ูู‡ู…ุชู‡ุŸ

466
00:35:06,540 --> 00:35:10,560
ูŠุนู†ูŠ ู‡ุฐู‡ ุงู„ series XT ู‡ูŠ ุงู„ series ุจุณ ููŠู† ุงูƒุชุจ

467
00:35:10,560 --> 00:35:17,060
ุจู…ูŠู†ุŸ linear ู…ุนุงุฏู„ุฉ ุฎุทูŠุฉ ุจู…ูŠู†ุŸ ุจุฏู„ุงู„ุฉ ุงู„ X ุงู„ู„ูŠ

468
00:35:17,060 --> 00:35:21,580
ู‚ุจู„ู‡ุง ูˆ ู„ุง ุจุฏู„ุงู„ุฉ ุงู„ุฃุฎุทุงุก ุงู„ errors ุนู„ู‰ ููƒุฑุฉ

469
00:35:21,580 --> 00:35:25,020
ุงู„ุฃุฎุทุงุก ุจุงู„ู…ู†ุงุณุจุฉ ุฎู„ูŠู†ูŠ ุฃู†ุง ุงู„ุขู† ูˆุฅู† ูƒุงู† ูŠู…ูƒู†

470
00:35:25,020 --> 00:35:28,140
ุจุชู‡ูŠุฃู„ูŠ ุญูƒูŠุชู‡ ู‚ุจู„ ู‡ูŠูƒ ููŠ ู†ุงุณ ุจูŠุณู…ูˆู‡ุง noise ุฃู†ุง

471
00:35:28,140 --> 00:35:34,240
ุญูƒูŠุชู‡ ุตุญุŸ ู…ุง ุญูƒูŠุช ู‡ุฐุง ุงู† ุงุณู…ู‡ noiseุŸ ูŠู…ูƒู† ุนู†ุฏู‡

472
00:35:34,240 --> 00:35:38,440
ุงู„ุทู„ุงุจุงูˆ ูŠู…ูƒู† ุงู† ู…ุง ุจุนุฑู ุงู† ุงู„ู…ู‡ู… innovation ู„ุฃ

473
00:35:38,440 --> 00:35:44,000
ุญูƒูŠุชู‡ ุจู‚ู‰ ููŠ ู†ุงุณ ุจูŠุณู…ูŠู‡ innovation ููŠ ู†ุงุณ ุจูŠุณู…ูŠู‡

474
00:35:44,000 --> 00:35:49,880
error ุทุจุนุง ุชุงุจุนูˆู† ุงู„ econometric ุงู„ุงู‚ุชุตุงุฏ ุจูŠุณู…ูˆู‡

475
00:35:49,880 --> 00:35:57,840
innovation ุชุงุจุนูˆู† ุงู„ููŠุฒูŠุง ุจูŠุณู…ูˆู‡ ู…ุซู„ุง noise ูˆ

476
00:35:57,840 --> 00:36:01,900
ุชุงุจุนูˆู† ุงู„ุฅุญุตุงุก ุจุดูƒู„ ุนุงู… ุจูŠุณู…ูˆู‡ error term ุงูˆ ุบูŠุฑู‡

477
00:36:01,900 --> 00:36:06,680
ู…ู†ูŠุญุฉ ูู†ูุณ ุงู„ุงุณู… ูƒู„ู‡ุงู„ู…ู‡ู… ุฒู‰ ู…ุง ู‚ู„ุช ุฒู…ุงู†ุชูƒูˆุง ู‡ุฐุง

478
00:36:06,680 --> 00:36:11,540
ุจู†ูƒุชุจ ุจุฏู„ุงู„ุฉ ู…ูŠู† ุงู„ุฃุฎุทุงุก ุงู„ุณุงุจู‚ุฉ ุฃูˆ ุจุณ ูƒู„ู‡ุง ูˆู„ุง

479
00:36:11,540 --> 00:36:16,760
ูˆุงุญุฏ ุนู†ุฏ ุฃูŠ ุฒู…ุงู† ุงู„ุฒู…ุงู† ุงู„ุณุงุจู‚ ูˆุงู„ุฒู…ุงู† ุงู„ุญุงู„ูŠ

480
00:36:16,760 --> 00:36:20,680
ู…ุธุจูˆุท ู‡ู‰ ุทุจุนุง ู‡ุฐู‡ ู„ุงุฒู… ุงู„ epsilon T ูˆู„ูƒู† ู…ูŠู† ู‡ูˆ

481
00:36:20,680 --> 00:36:23,820
ุงู„ู„ู‰ ุจุฏู„ ู„ุฅู†ู‡ ู…ู† ุฃูŠู† ุฌุงุก ุงู„ model ูˆุงุญุฏ ุงู„ order

482
00:36:23,820 --> 00:36:28,640
ุนููˆุง order ูˆุงุญุฏ ู…ู† ูˆูŠู† ู…ู† ุงู„ุฒู…ุงู† ุงู„ุณุงุจู‚ ู…ู† ู‡ุงู‰ T

483
00:36:28,640 --> 00:36:32,640
ู†ู‚ุต ูˆุงุญุฏ ู…ุงุดูŠ ุงู„ุญุงู„ ุทูŠุจ ุจุงู„ back shift operator

484
00:36:32,640 --> 00:36:36,360
ู…ูŠู† ุชูƒุชุจ ู„ูŠู‡ุจุงู„ backshift operator ูƒูŠู ุจู†ูƒุชุจ ู‡ุฐุง

485
00:36:36,360 --> 00:36:44,360
ูŠู„ุง XT ุดูˆ ุจุชุณุงูˆูŠุŸ ูˆุงุญุฏ minus ุดูˆุŸ ุซูŠุชุง ูˆู„ุง ุฒุงุฆุฏุŸ

486
00:36:44,360 --> 00:36:52,780
ุฒุงุฆุฏ ุฃูŠูˆุฉ ุซูŠุชุง of B ููŠ ู…ูŠู†ุŸ epsilon T ุตุญุŸ ู‡ุฐุง ููŠ

487
00:36:52,780 --> 00:36:56,220
ุงู„ backshift operator ุดูˆ ุฑุฃูŠูƒู… ู…ู…ูƒู† ู†ูƒุชุจู‡ ุงู„ุขู† ุฒูŠ

488
00:36:56,220 --> 00:36:58,940
ู…ุง ุนู…ู„ู†ุง ุจุงู„ ุจู„ู†ูˆู…ูŠ ูŠุนู†ูŠ ู…ุด ู†ูƒุชุจู‡ ุจุงู„ ุจู„ู†ูˆู…ูŠ ูŠู„ุง

489
00:36:58,940 --> 00:37:03,930
ูŠู„ุง XT ุดูˆ ุจุชุณุงูˆูŠุŸ ุซูŠุชุง big theta ู‡ุฐู‡ ุฃู‡ุŸุฎู„ู‘ูŠู†ูŠ

490
00:37:03,930 --> 00:37:08,990
ุฃุนู…ู„ big theta of order ูˆุงุญุฏ epsilon t ู…ูŠู† ุชู‚ูˆู„ูŠ

491
00:37:08,990 --> 00:37:14,550
ู…ู† ู‡ูŠ ุงู„ big theta ู‡ุฐูŠุŸ ู‡ูŠ ุนุจุงุฑุฉ ุนู† polynomial ุจ

492
00:37:14,550 --> 00:37:18,290
degree ูˆุงุญุฏุŒ ุตุญุŸ ูŠุนู†ูŠ linearุŒ ุงู„ู„ุชูŠ ู‡ูŠ ุฃูˆ line

493
00:37:18,290 --> 00:37:25,750
ูˆุงุญุฏ minus ูˆู„ุง ุฒุงุฆุฏุŸ ู‡ุฐุง ุฒุงุฆุฏ ุนุงุฏุŒ theta of b ู‡ุฐู‡

494
00:37:25,750 --> 00:37:28,690
ูƒุงู†ุช ูˆุงุญุฏ minusุŒ ุตุญุŸ ู‡ุฐู‡ ูˆุงุญุฏ ุฒุงุฆุฏ

495
00:37:31,650 --> 00:37:35,650
ุทูŠุจ ูู‡ู…ู†ุง ู…ูŠู† ุชู‚ูˆู„ูŠ ุงู„ุงู† moving average of order 2

496
00:37:35,650 --> 00:37:40,030
ุนุดุงู† ุฃุตู„ ุงู„ุญู„ู‚ุฉ ุงู„ุนุงู…ุฉ ูƒู…ุงู† ุดูˆูŠุฉ ุดูˆ ุจุชุณุงูˆูŠ Xt

497
00:37:40,030 --> 00:37:46,690
ุจุชุณุงูˆูŠ epsilon T ุฒูŠ ฮธ ูˆุงุญุฏ ุงู„ุขู† ุนุดุงู† ููŠู‡ ุชู†ุชูŠู† ุงู‡

498
00:37:46,690 --> 00:37:52,910
epsilon T ู†ุงู‚ุต ูˆุงุญุฏ ุฒูŠ ฮธ ุงุชู†ูŠู† epsilon T ู†ุงู‚ุต

499
00:37:52,910 --> 00:38:00,030
ุงุชู†ูŠู† ูˆุฑู‚ุงุด epsilon T white noise zero sigma ุชุฑุจูŠุฉ

500
00:38:01,300 --> 00:38:05,460
ุทุจุนุง ุงุฐุง ุจุชุญุจ ููŠ ุงู„ backshift operator ู‡ุฐุง XT

501
00:38:05,460 --> 00:38:12,920
ุชุณุงูˆูŠ ุดูˆุŸ ูˆุงุญุฏ ุฒุงุฆุฏ ุซูŠุชุง ูˆุงุญุฏ of P ุฒุงุฆุฏ ุซูŠุชุง ุชู†ูŠู†

502
00:38:12,920 --> 00:38:20,720
P ุชุฑุจูŠุน ู…ุถุฑูˆุจุง ููŠ epsilon T ุงูˆ ุงูŠุด ู…ู…ูƒู† ุชูƒุชุจูŠู‡ XT

503
00:38:20,720 --> 00:38:28,720
ุดูˆ ุจุชุณุงูˆูŠุŸ big theta of order ุชู†ูŠู† epsilon T ุทุจุนุง

504
00:38:28,720 --> 00:38:34,860
ุญูŠุซ ุงู†ุงู„ู€ big theta ู‡ุฐู‡ of order 2 ู…ูŠู† ู‡ูŠ ุจุชุณุงูˆูŠุŸ

505
00:38:34,860 --> 00:38:41,100
1 ุฒุงุฆุฏ theta 1 of b ุฒุงุฆุฏ theta 2 of b ุชุฑุจูŠุน ุชู…ุงู…

506
00:38:41,100 --> 00:38:45,300
ู‡ู‰ุŸ in general ุงู„ุญุงู„ุฉ ุงู„ุนุงู…ุฉ ุงู„ู„ู‰ ู‡ู‰ ุงู„ moving

507
00:38:45,300 --> 00:38:52,080
average of order q ู‡ุฏูƒ of order b ู‡ุฏู‡ of order q

508
00:38:52,080 --> 00:38:54,680
ู…ู…ูƒู† ูŠูƒูˆู† ุงู„ b ุฒู‰ ุงู„ q ุทุจุนุง ู‡ู‰ ุงู„ู„ู‰ ู…ูˆุฌูˆุฏุฉ ุนู„ู‰

509
00:38:54,680 --> 00:38:56,920
ุงู„ูƒู…ุจูŠูˆุชุฑ ุฃู…ุงู…ู†ุง

510
00:39:02,870 --> 00:39:07,930
ุงู„ู„ูŠ ู‡ูŠ ุงู„ time series Xt ุงู„ู„ูŠ ุงู„ mean ุฅู„ู‡ุง ุงู„

511
00:39:07,930 --> 00:39:12,990
zero ุจุชุญู‚ู‚ ุดูˆูŠุฉ ู…ู†ู‡ุง ุงู„ู„ูŠ ุจุชุญู‚ู‚ Xt ุชุณูˆูŠุฉ ุฃุจุณู„ูˆู† T

512
00:39:12,990 --> 00:39:18,610
ุฒุงุฆุฏ ุซูŠุชุง ูˆุงุญุฏ ุฃุจุณู„ูˆู† T ู†ุงู‚ุต ูˆุงุญุฏ ุญุชู‰ ุงูˆุจุณ ุงู„ู…ูุฑูˆุถ

513
00:39:18,610 --> 00:39:23,590
ุฏูŠ ููŠ dot dot dot ุฃู†ุง ู†ุงุณุฉ ุฃูƒุชุจู‡ู… ู‡ู†ุง ููŠ ู‡ู†ุง ุงู„

514
00:39:23,590 --> 00:39:30,110
dot dot dot ู„ุฅู†ู‡ ุฒุงุฆุฏ ุซูŠุชุง ุชู†ูŠู† ุฃุจุณู„ูˆู† T ู†ุงู‚ุต

515
00:39:30,110 --> 00:39:35,170
ุงุชู†ูŠู† ุจุนุฏูŠู† ุฒุงุฆุฏ ุดูˆูŠุฉู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ

516
00:39:35,170 --> 00:39:35,470
.. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ ..

517
00:39:35,470 --> 00:39:39,390
ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ ..

518
00:39:39,390 --> 00:39:42,710
ู†ู‚ุทุฉ ..

519
00:39:42,710 --> 00:39:45,530
ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ ..

520
00:39:45,530 --> 00:39:49,010
ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ ..

521
00:39:49,010 --> 00:39:51,270
ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ ..

522
00:39:51,270 --> 00:39:57,290
ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ ..

523
00:39:57,290 --> 00:40:05,160
ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ .. ู†ู‚ุทุฉ ..ุงู„ุฎุทุฃ ุงู„ noise ูŠุนู†ูŠ ุงู„ู„ูŠ ู‡ู…

524
00:40:05,160 --> 00:40:10,680
ุงู„ innovation ุณู…ูŠู†ุงู‡ ุงู„ errors ุนู„ู‰ ู…ูŠู†ุŸ ุงูˆ ุงู„ุนูƒุณ

525
00:40:10,680 --> 00:40:15,420
ุนููˆุง ุงู„ XT ุนู„ู‰ ู…ูŠู†ุŸ ุนู„ู‰ ุงู„ุฎุทุฃ ู‡ูŠูƒ ุจู†ู‚ูˆู„ ุงู†ู‡ ูŠุธู‡ุฑ Y

526
00:40:15,420 --> 00:40:19,040
ุนู„ู‰ X ุงุญู†ุง ู…ุงุจู†ุญูƒูŠุด X ุนู„ู‰ Y ุจุญูƒูŠ Y ุนู„ู‰ X ุงู„ู…ู‡ู…

527
00:40:19,040 --> 00:40:23,020
ู‡ุฏูˆู„ุฉ ุจู†ู‚ูˆู„ ุนู†ู‡ู… moving average of order ู…ูŠู†ุŸ Q

528
00:40:23,020 --> 00:40:29,810
ุจู†ุฑู…ุฒ ู„ู‡ุง ุจุงู„ุฑู…ุฒ MA ูˆููŠ Qุจุงู„ู€ Backshift Operator

529
00:40:29,810 --> 00:40:34,630
ู‡ุฐุง ู‡ูŠ ุงู„ู€ Big Theta of B ุชุณุงูˆูŠ A of ู…ุถุฑูˆุจุฉ ููŠ

530
00:40:34,630 --> 00:40:37,410
Epsilon T ุญูŠุซ ุฃู† ุงู„ู€ Big Theta ู‡ูŠ ุนุจุงุฑุฉ ุนู† ู…ูŠู†ุŸ

531
00:40:37,410 --> 00:40:44,750
ุงู„ู€ polynomial of degree whatุŸ Q ู…ุตุจูˆุท ู‡ู†ุงุŸ ุงู„ูˆ

532
00:40:44,750 --> 00:40:49,350
ุงุณู… ู‡ูˆ ู„ุงุฒู… ุชู„ุงุญุธูˆุง ุจุฃู†ู‡ ุฏุงุฆู…ุง ูˆ ุฃุจุฏุง ุงู„ moving

533
00:40:49,350 --> 00:40:52,670
average stationary ุจุบุถ ุงู„ู†ุธุฑ ุนู† ู‚ูŠู…ุฉ ุงู„ู€ Theta

534
00:40:52,670 --> 00:40:58,250
ู„ูŠุดุŸ ุฏุงุฆู…ุง stationaryููŠ ุงู„ูˆู‚ุช ุงู„ู„ูŠ ุงู„ auto

535
00:40:58,250 --> 00:41:01,290
-regressive stationary ููŠ ุญุงู„ุฉ ูˆุงุญุฏุฉ ุฅุฐุง ุจุชุฐูƒุฑูˆุง ูˆ

536
00:41:01,290 --> 00:41:04,870
ู‚ู„ุชู„ูƒูˆุง ู„ู…ุง ุงู„ roots ุงู„ุฌุฐูˆุฑ ู‡ุฐู‡ ุฃูƒุจุฑ ู…ู† ุงู„ูˆุงุญุฏุฉ ุฃู‡

537
00:41:04,870 --> 00:41:08,370
ู„ู…ุง ูŠูƒูˆู† ุงู„ุฌุฐูˆุฑ ู…ุด ุฏุงูŠู…ุง stationary ู„ูƒู† ุงู„ moving

538
00:41:08,370 --> 00:41:14,830
average ุฏุงูŠู…ุง stationary ู„ูŠุดุŸ

539
00:41:14,830 --> 00:41:21,490
ูˆุงู„ู„ู‡ ูˆุงุถุญุฉ ู…ุง ู‡ูŠ ุงู„ stationary ู…ุนู†ุงู‡ุงุŸ ู…ุงููŠุด

540
00:41:21,490 --> 00:41:26,190
ุงุชุฌุงู‡ ูŠุนู†ูŠ ู„ูŠู‡ ู„ุงุŸ ุฅูŠุด ู…ุงู„ูƒูˆุงุŸู…ู† ู‡ูˆ ุงู„ู„ูŠ ุจุนุชู…ุฏุด

541
00:41:26,190 --> 00:41:32,210
ุนู„ู‰ ุงู„ุชุงู†ูŠุŸ ู…ู† ู‡ูˆ ุงู„ู„ูŠ

542
00:41:32,210 --> 00:41:35,370
.. ุงู„ stationary ููŠ ุญุงุฌุชูŠู† ุจูŠุชุญู‚ู‚ ูˆ ู…ู† ู‡ู…ุง ุงู„ mean

543
00:41:35,370 --> 00:41:39,990
ูˆ ุงู„ variance ูˆ ุงู„ covariance .. ุงู„ C ุชู„ูˆุณ ุงู„ู…ุญุงุถุฑ

544
00:41:39,990 --> 00:41:44,270
ุงู„ุณุงุจุน .. ุงู„ mean ูˆ ุงู„ covariance .. ุดูˆ ุงู„ meanุŸ

545
00:41:45,890 --> 00:41:51,050
ู‡ู†ุง ุงู„ mean ู‡ูŠุทู„ุน ูƒุงู…ุŸ Zero ู„ูŠุดุŸ ู„ุฃู† ู‡ูˆ linear

546
00:41:51,050 --> 00:41:54,170
combination ุฒูŠ ู…ุง ุงู†ุชูˆุง ุดุงูŠููŠู†ู‡ ุจุฏู„ุงู„ุฉ ู…ูŠู‡ุŸ ุงู„

547
00:41:54,170 --> 00:41:58,370
epsilon ูˆ ุงู„ epsilon ู…ุงู„ ู‡ูŠุŸ white noise ูู„ูˆ ุฌุจุชูŠ

548
00:41:58,370 --> 00:42:02,250
ุงู„ expectation ู„ x ุฏูŠ ู‡ูŠุทู„ุน ู…ุงู„ู‡ุŸ Zero expectation

549
00:42:02,250 --> 00:42:05,930
ู„ epsilon ู‡ุฐูŠ ู…ุนุงูŠุง .. ุงู‡ Zero ู‡ูŠุทู„ุน ุฎู„ุตู†ุง ู‡ูˆ ุซุงุจุช

550
00:42:06,660 --> 00:42:12,040
ุทุจ ุงู„ covariance ู„ XT ู…ุน XT ุฒุงุฏ H ู…ูŠู† ู‡ูŠุทู„ุนุŸ ุงู„

551
00:42:12,040 --> 00:42:16,720
covariance ู„ ู‡ุฏูˆู„ ุนู†ุฏ ุงู„ุฒู…ู† T ู…ุน ู…ูŠู†ุŸ ู…ุน ู‡ู… ู†ูุณู‡ู…

552
00:42:16,720 --> 00:42:20,500
ูˆ ู‡ู… ู‡ู… ุนู†ุฏ ุงู„ุฒู…ู† T ุฒุงุฏ H ุจุณ ู‡ู… white noise ุดูˆ

553
00:42:20,500 --> 00:42:25,620
ูŠุนู†ูŠ white noiseุŸ ูŠุนู†ูŠ ู‡ู… ู†ูุณู‡ู… ู‡ุฏูˆู„ white noise

554
00:42:25,620 --> 00:42:29,640
ุงู„ epsilon ูŠุนู†ูŠ ุงู„ covariance ู„ T ุชุจุนุชู‡ุง ูˆ T

555
00:42:29,640 --> 00:42:34,120
ุชุจุนุชู‡ุง ุฒุงุฏ H ู…ุงู„ู‡ุงุŸ Zero ูˆู„ุฐู„ูƒ ู‡ุฏูˆู„ ุงู„ covariance

556
00:42:34,120 --> 00:42:40,920
ู„ูŠู„ู‡ุงู…ุด ู‡ูŠูƒ ู‡ูŠุทู„ุน ุจุงู„ุงุฎูŠุฑ zero ูุนู†ุฏ ุฃูŠ ุฒู…ู† ุชูŠ ู…ุด

557
00:42:40,920 --> 00:42:45,420
ู‡ู… white noise ุทุจ ุดุบู„ูˆู†ุง ู‡ู„ู†ุง ุทูŠุจ ุงุณู…ู‡ุง ูŠุง ุจู†ุงู…ูŠ

558
00:42:45,420 --> 00:42:49,200
ููŠ ุงู„ูˆู‚ุช ุงู„ู„ูŠ ูƒุงู† ูŠูˆู…ู‡ุง ุฅุฐุง ุจุชุฐูƒุฑูˆุง ู‚ุจู„ ุฃุฑุจุน ุฎู…ุณ

559
00:42:49,200 --> 00:42:53,240
slides ุงู„ู„ูŠ ุฃู†ุง ุฑุฌุนุชู„ู‡ุง ู‚ุจู„ ู‚ู„ูŠู„ stationary ุงู„ู„ูŠ

560
00:42:53,240 --> 00:42:57,900
ู‡ูŠ ู…ูŠู†ุงู„ู‡ูˆุชูˆ ุฑูŠุบุฑุณูŠู ุงู‡ ุงู„ moving average ู…ุงู„ู‡ุง

561
00:42:57,900 --> 00:43:02,280
ุฏุงุฆู…ุง stationary ูˆู„ูƒู† ู‡ู†ุง ุจุฏู†ุง ููŠ ุงู„ moving

562
00:43:02,280 --> 00:43:05,560
average ูŠุญู‚ู‚ ุดุฑุณ ุงุณู…ู‡ ุงู„ invertibility

563
00:43:05,560 --> 00:43:10,500
invertibility ุงูˆ ุงู„ invertible ุงู„ู„ูŠ ู‡ูŠ ุงู„ุงู†ุนูƒุงุณ ููŠ

564
00:43:10,500 --> 00:43:15,000
ุงู„ุฒู…ู† invertible ุงู„ุงู†ุนูƒุงุณ ููŠ ุงู„ุฒู…ู† ููŠุฌุจ ุงู† ุชุญู‚ู‚ ุงู„

565
00:43:15,000 --> 00:43:18,240
moving average ุฎุงุตูŠุฉ ุงู„ุงู†ุนูƒุงุณ ููŠ ุงู„ุฒู…ู† ูˆุงู„ุงู†ุดุงุก

566
00:43:18,240 --> 00:43:23,040
ุงู„ู…ูˆู„ุงู‡ูŠุฉ ู…ุน ุงู„ู‚ุตูŠุฉ ุงู„ู„ูŠ ู‚ุจู„ ู‚ู„ูŠู„ ุญูƒูŠู†ุงู‡ุงุฃู‡ ุงู„

567
00:43:23,040 --> 00:43:27,320
stationary ู‡ู†ุงูƒ ู‡ู†ุญูƒูŠู‡ู… ุจุชูุงุตูŠู„ ู‚ู…ุน ู…ุญุงุถุฑุชูŠู† ุชู„ุงุชุฉ

568
00:43:27,320 --> 00:43:31,280
ุงู„ู„ุนู†ุฉ ูุทุจุนุง ููŠ ุงู„ุญุงู„ุฉ ู‡ุฐู‡ ุฅุฐุง ุงู„ roots ุชุจุนุงุช ู‡ุฐู‡

569
00:43:31,280 --> 00:43:35,260
ุงู„ .. ุงู„ู„ูŠ ู‡ูŠ ุงู„ big phi ุงู„ู„ูŠ ุจุชุณุงูˆูŠ zero ุฃูƒุจุฑ ู…ู†

570
00:43:35,260 --> 00:43:39,860
ูˆุงุญุฏ ูˆ ูƒุงู†ุช ุจุชุดุจู‡ ู…ูŠู† ู†ูุณ ุงู„ู„ูŠ ู‡ูˆ ุงู„ุดุฑุท ุชุจุน ู…ูŠู†

571
00:43:39,860 --> 00:43:48,190
ุงู„ู„ูŠ ู‡ูˆ ุงู„ autoregressive ุตุญ ู†ูุณ ุงู„ุดูŠุกุฅุฐุง ุงู„ roots

572
00:43:48,190 --> 00:43:54,270
ุชุจุนูˆู† ุงู„ู…ุนุงุฏู„ุฉ 1 ุฒูŠ ูุงูŠุฉ ูˆุงุญุฏ ุจูŠ ุฒูŠ ูุงูŠุฉ ุชุงู†ูŠุฉ ุจูŠ

573
00:43:54,270 --> 00:43:58,290
ุชุฑุจูŠุฉ ู„ุนุฏุฏ ุฒูŠ ูุงูŠุฉ ูƒูŠูˆ ุจูŠ ุชุฑุจูŠุฉ ุจูŠ ู‚ูˆุฉ ูƒูŠูˆ ุจูŠุณุงูˆุฉ

574
00:43:58,290 --> 00:44:01,310
ุฒูŠุฑูˆ ุฃูƒุจุฑ ู…ู† ูˆุงุญุฏ ูููŠ ุงู„ุญุงู„ุฉ ู‡ุฐูŠ ุงู„ moving average

575
00:44:01,310 --> 00:44:06,510
ุจู†ู‚ูˆู„ ุนู†ู‡ ู…ูŠู† invertable ู…ู† ุนูƒุงุณ ููŠ ุงู„ุฒู…ู† ูˆูŠุฌุจ ุฃู†

576
00:44:06,510 --> 00:44:09,470
ุชุญู‚ู‚ ุฎุงุตูŠุฉ ู…ู† ุงู„ุนูƒุงุณ ููŠ ุงู„ุฒู…ู† ุงู„ู„ูŠ ู‡ู†ุดูˆูู‡ุง ููŠู…ุง

577
00:44:09,470 --> 00:44:13,510
ุจุนุฏ ูˆู„ุง ูˆุงุญุฏุฉ ู…ู†ูƒู… ู‚ุงู„ุชู„ูŠ ู‡ุฐุง ุงู„ moving average

578
00:44:13,510 --> 00:44:17,740
ุงู„ู„ูŠ ู‡ู†ุง ู‡ูˆ ู†ูุณ ุงู„ moving average ุงู„ู„ูŠ ..ู…ุดูŠุชูˆู‡ุง

579
00:44:17,740 --> 00:44:23,660
ุงู†ุชูˆุง ูŠู„ุง ู‡ูŠูƒุŸ ุทุจ ุงุณุฃู„ูˆุง ู„ูŠุด ุฎุงูŠูุฉ ูŠุนู†ูŠุŸ ู‡ูˆ ู…ุด

580
00:44:23,660 --> 00:44:29,020
ุงุญู†ุง ุดุฑุญู†ุง ุงู„ moving average ู‚ุจู„ ู…ุฏุฉ ูˆ ูƒู†ุง ู†

581
00:44:29,020 --> 00:44:33,140
decompose ู„ู…ุง ู†ุนู…ู„ู†ุง ุงู„ series ูˆ .. ูˆ ุนู…ู„ู†ุง ุงู„

582
00:44:33,140 --> 00:44:37,240
exponential smoothing ูˆ ู…ุง .. ุงู„ smooth ู‡ุฐุง ู‡ูˆ ู‡ุฐุง

583
00:44:37,240 --> 00:44:42,840
ุงู„ moving average ู‡ูˆ ู†ูุณ ู‡ุฐุง ู‡ูˆุŸ ู„ุฃ ุทุจ ู…ุนู†ุงู‡ ู…ุด ู‡ูˆ

584
00:44:42,840 --> 00:44:49,020
ูˆ ุงู‚ูˆู„ูƒูˆุง ุดุบู„ ูˆุงุญุฏุฉููŠ ุฌุฏู„ ุนู„ู‰ ุฅู†ู‡ ู‡ู„ ู‡ุฐุง ุงู„ู„ูŠ ุฅุญู†ุง

585
00:44:49,020 --> 00:44:51,460
ุจู†ุนู…ู„ู‡ ุงู„ุขู† ุงู„ู„ูŠ ุฃู…ุงู…ูƒ ูˆ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ู„ูˆุญุŒ ู‡ู„ ู‡ุฐุง

586
00:44:51,460 --> 00:44:55,020
moving averageุŸ ู‡ู„ ู‡ุฐุง ุฅูŠู‡ ุนู„ุงู‚ุฉ ุจุงู„ average ุฃุตู„ุงุŸ

587
00:44:55,020 --> 00:45:01,380
ู…ุง ู…ุนู†ุงู‡ ุงู„ averageุŸ ู‡ู„ ู‡ุฐุง ุงู„ู…ุชูˆุณุท ู„ู„ู‚ูŠู… ู‡ูŠุฌู…ุน

588
00:45:01,380 --> 00:45:04,380
ู„ูˆุงุญุฏ ู…ุซู„ุงุŸ ูŠุนู†ูŠ ุงู„ average ู„ูˆ ุฌู…ุนู†ุงู‡ู… ุถุฑุจู†ุงู‡ู… ููŠ

589
00:45:04,380 --> 00:45:08,160
ุฃุนุฏุงุฏ ุงู„ู‚ูŠู… ุจูŠุทู„ุน ูŠุนู†ูŠ ุงู„ average ุงู„ู„ูŠ ุจูŠุนุฑูู‡ุŸ no

590
00:45:08,160 --> 00:45:14,220
ุฃูƒูŠุฏ noุŒ ู„ุฃุฃู‚ูˆู„ูƒูˆุง ุตุฑุงุญุฉ ุฃู†ุง ุนู…ู„ุช search ุนู„ู‰ ู‡ุฐุง

591
00:45:14,220 --> 00:45:23,060
ุงู„ู…ูˆุถูˆุน ูˆูˆุตู„ุช ู„ู‚ู†ุงุนุฉ ุญุณุจ ุงู„ุฑุฃูŠ ุงู„ุบุงู„ุจูŠุฉ ุจุฅู†ู‡ ู‡ูˆ

592
00:45:23,060 --> 00:45:28,080
ุจุงู„ุบู„ุท ุญูƒู‰ ูƒู„ู…ุฉ moving averageูˆ ุฎู„ุงุต ุฃุตุจุญ ุงู„ุฏุงุฑุด ูˆ

593
00:45:28,080 --> 00:45:32,420
ู…ุชุนุฑู ุนู„ูŠู‡ ุฃู†ู‡ ู‡ุฐุง ู‡ูˆ moving average ููƒู„ู…ุฉ ุงู„

594
00:45:32,420 --> 00:45:36,580
average ูŠุนู†ูŠ ูƒู„ู…ุฉ ุฎู„ูŠู†ูŠ ู†ู‚ูˆู„ ู…ุด ุฏู‚ูŠู‚ุฉ ู…ุฆุฉ ุจุงู„ู…ุฆุฉ

595
00:45:36,580 --> 00:45:40,040
ูˆู„ูƒู† ุตุงุฑ ู…ุชุนุฑู ุนู„ูŠู‡ุง ุฃู†ู‡ ู‡ุฐุง ู‡ูˆ ุงุณู…ู‡ moving

596
00:45:40,040 --> 00:45:43,220
average ูŠู‚ูˆู„ ุฅู† ูˆุงุญุฏ ุงุณู…ู‡ ุณู„ุณูƒูŠุŒ ุทุจ ุนุฑูˆู ุณู„ุณูƒูŠ ููŠ

597
00:45:43,220 --> 00:45:47,760
ุงู„ุฅุญุตุงุก ุนุงู„ู… ุฑูŠุงุถูŠุงุช ู‡ูˆ ุฃูˆู„ ู…ุง ุฃุทู„ู‚ ู‡ุฐุง ุงู„ู…ุตุทู„ุญ ุจุณ

598
00:45:47,760 --> 00:45:51,400
ู…ุด ู…ุชุฃูƒุฏ ุทุจุนุง ูŠุง ุจู†ุงุชูŠูˆุจู†ุงุก ุนู„ูŠู‡ ู…ุดูŠุช ุงู„ุฃู…ูˆุฑ ูˆ

599
00:45:51,400 --> 00:45:54,420
ุฎู„ุงุต ูˆ ุตุงุฑูˆุง ุฒุจุนูˆู† ุฅุญุตุงูˆูŠูŠู†ุŒ Slutsky ู‡ุฐุง ู…ุนุฑูˆู

600
00:45:54,420 --> 00:45:57,660
ูŠุนู†ูŠุŒ ูุทุงู„ู…ุง ุญูƒู‰ ู‡ุฐุง ุงู„ูƒู„ุงู… ูŠุจู‚ู‰ ุฃุญู†ุง ูˆุฑุงู‡ุŒ ูŠุนู†ูŠ

601
00:45:57,660 --> 00:46:01,320
ุฃู‚ู„ ุงู„ู…ุนุฑูˆู ู„ู‡ ูƒู„ู…ุชู‡ุŒ ูุฃุตุจุญ ุงู„ูƒู„ ูŠู‚ูˆู„ moving

602
00:46:01,320 --> 00:46:04,300
averageุŒ moving averageุŒ ูˆู…ุดูŠุชุŒ ู„ูƒู† ู‡ูˆ ุญู‚ูŠู‚ุฉ ู…ุง

603
00:46:04,300 --> 00:46:07,980
ุงุชุฎุฑุจุทูˆุง ุจูŠู†ู‡ ุจูŠู† ู…ูŠู†ุŒ moving average ุงู„ู„ูŠ ุฃุฎุฏู†ุงู‡ุง

604
00:46:07,980 --> 00:46:12,720
ุฒู…ุงู† ู„ุณู…ูˆุฐูŠุŒ ู…ุงุดูŠุŸุทูŠุจ ู‡ู„ ู‡ูˆ ู†ูุณ ุงู„ู„ูŠ ุงุญู†ุง ุนู…ู„ู†ุงู‡

605
00:46:12,720 --> 00:46:16,580
ู‚ุจู„ ู‚ู„ูŠู„ ู†ุนู…ู„ู‡ ู„ุงู† ุจุณ ู„ู…ูŠู† simulation ู†ู‚ุตู‡ ู„

606
00:46:16,580 --> 00:46:20,740
moving average of order ูˆุงุญุฏ ุดูˆ ุฑุงูŠูƒูˆุง ุงู„ุณูŠุฑูŠุฒ ู‡ุงูŠ

607
00:46:20,740 --> 00:46:28,600
Xt ุชุณุงูˆูŠ epsilon T ุฒุงุฏ ู…ู† 8 ู…ู† 10 epsilon T ู†ู‚ุต

608
00:46:28,600 --> 00:46:34,380
ูˆุงุญุฏ ู†ุญู† ุงู„ุขู† ุงู„ุณูŠุฑูŠุฒ ู†ุนู…ู„ู‡ ุงู„ simulation ู…ูŠู†

609
00:46:34,380 --> 00:46:40,100
ุจูŠุนู…ู„ ุงู„ simulationarima.sim ุนุฏุฏ ุงู„ู…ุดุงู‡ุฏุงุช 200 ุงู„

610
00:46:40,100 --> 00:46:45,160
order ู…ูŠู† ู‡ูŠูƒูˆู† ุงุฎุฑ ูˆุงุญุฏ ู‡ูˆ ุงู„ู„ูŠ ู‡ูŠูƒูˆู† ูˆุงุญุฏ ุทู„ุน ู‡ุง

611
00:46:45,160 --> 00:46:50,340
ูˆุฐุง ูƒุงู† ู‡ุฏูƒ ุงุณู…ู‡ ar ู‡ุฐุง ุดูˆ ู‡ูŠุตูŠุฑ ุงุณู…ู‡ ma ุชู…ุงู†ูŠุฉ ู…ู†

612
00:46:50,340 --> 00:46:55,820
ุนุดุฑุฉ ู…ู†ูŠุญ ูˆุฑุณู…ุงุชู‡ู… ุงู„ุชู„ุงุชุฉ ู‡ุงูŠ ูˆุงุญุฏุฉ ุงุชู†ุชูŠู† ุชู„ุงุชุฉ

613
00:46:55,820 --> 00:47:00,580
ู†ูุณ ุงู„ุฑุณู…ุงุช ุงู„ุชู„ุงุชุฉ ู‡ู„ู‡ ู‡ูˆ ุงู„ series ุงู„ุฃุตู„ูŠุฉ ุงู„

614
00:47:00,580 --> 00:47:05,900
acf ูˆ ุงู„ partial ุดูˆููˆุง ู…ูŠู† ุงู„ partial ุจูŠุญุฏุฏุงู„

615
00:47:05,900 --> 00:47:12,500
order ุชุจุน ู…ูŠู†ุŸ ุงุญู†ุง ู‚ุจู„ ุดูˆูŠุฉ ุดุฑุญู†ุง ุดุฑุญู†ุง ุงู„

616
00:47:12,500 --> 00:47:16,520
partial ุดุฑุญู†ุง ูˆ ุฎู„ุตู†ุง ูˆ ู†ุฑุฌุน ู„ู„ูŠ ุดุฑุญู†ุง ูŠูˆู… ู…ุง

617
00:47:16,520 --> 00:47:19,420
ุดุฑุญู†ุง ุงู„ partial ูˆ ู‚ู„ู†ุง ู‡ู†ุดุฑุญู‡ ููŠ ุงู„ุชูุงุตูŠู„ ุงูƒุชุฑ ุงู†

618
00:47:19,420 --> 00:47:25,460
ุดุงุก ุงู„ู„ู‡ ุจูŠุญุฏุฏ ุงูŠ order ุงู„ auto-regressive ู‡ุฐุง ู…ูŠู†

619
00:47:25,460 --> 00:47:29,620
ุงู„ partialุŸ ู„ู„ auto-regressive ุฎู„ุตุชู‡ุŸ ุทุจ ุงู„ ACF

620
00:47:29,620 --> 00:47:32,640
ู‡ุฐุง ุงู„ูˆุณุทุงู†ูŠ ู‡ูˆ ุงู„ู„ูŠ ุจูŠุญุฏุฏ ุงู„ู„ูŠ ู‡ูˆ ุงู„ order ุชุจุน ุงู„

621
00:47:32,640 --> 00:47:32,940
moving

622
00:47:35,970 --> 00:47:40,790
ูŠุนู†ูŠ ุงู„ partial ู„ู…ู†ุŸ ู„ู„ auto-regressive ูˆ ุงู„ ACF

623
00:47:40,790 --> 00:47:43,910
ุงู„ู„ูŠ ู‡ูŠ ุงู„ auto-correlation ู„ู„ moving average ูŠุนู†ูŠ

624
00:47:43,910 --> 00:47:48,330
ุงู„ูˆุณุทุงู†ูŠ ู‡ุฐุง ุญุชู‰ ู†ุดูˆูู‡ ุงู„ูˆุณุทุงู†ูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ auto

625
00:47:48,330 --> 00:47:53,610
-correlation function ู‡ุฐุง ู‚ุฏุด order ูƒุงู† ู‡ู†ุงุŸ ูˆุงุญุฏุŒ

626
00:47:53,610 --> 00:47:58,230
ูˆุงุญุฏุŒ ู‡ุงูŠ ูˆุงุญุฏุŒ ู…ูŠู† ุฃูˆู„ ูˆุงุญุฏ ู…ุนุฏู‰ุŸ ุนู†ุฏ ุงู„ ูˆุงุญุฏุŒ

627
00:47:58,230 --> 00:48:01,610
ุนู†ุฏ ุงู„ ูˆุงุญุฏุŒ ุงู‡ ุงุณู…ู‡ ูŠุง ุจู†ุงุชุŒ ู‡ุฐุง ุนู†ุฏ ุงู„ like zero

628
00:48:01,610 --> 00:48:05,610
ุฃูˆู„ ูˆุงุญุฏุฉุŒ ูˆ ุงู†ุง ูƒู†ุช ุฎุฑุจุทู‡ุงู„ auto correlation ุจุฑุณู…

629
00:48:05,610 --> 00:48:11,790
ู…ูŠู†ุŸ ุงุจุชุฏุง ู…ู† ุฃูŠ lagุŸ ู…ู† ุนู†ุฏ ุงู„ lag zero ุนู†ุฏ ุงู„

630
00:48:11,790 --> 00:48:15,690
lag zero ุฌุฏุงุด ุงู„ raw ู‡ุฐุง ุงู„ raw ุงู„ raw ุงู„ auto

631
00:48:15,690 --> 00:48:19,110
correlation ุฌุฏุงุด ุงู„ auto correlation ุจูŠูƒูˆู† ุจูŠุณุงูˆูŠ1

632
00:48:19,110 --> 00:48:25,310
ูŠุนู†ูŠ ู‡ู‚ูˆู„ูƒูˆุง ุดุบู„ุฉ ูˆุงุญุฏุฉ ุงู„ R ุจุฑุณู… ุนู†ุฏ ุงู„ raw 0 ุงู„

633
00:48:25,310 --> 00:48:28,890
software ุงู„ุชุงู†ูŠุงุช ุฒูŠ ุงู„ MATLAB ูˆ ุงู„ SAS ูˆ ุบูŠุฑู‡

634
00:48:28,890 --> 00:48:34,230
ุจุฑุณู…ุด ู„ุฅู†ู‡ ุจุนุชุฑู ู…ุงู„ู‡ุง ู…ุนุฑูˆู ุฅู†ู‡ ุนู†ุฏ ุงู„ raw ุนู†ุฏ ุงู„

635
00:48:34,230 --> 00:48:41,330
0 ู‚ุฏุงุด ุงู„ raw 1 ูˆู„ูƒู† ู‡ูŠ ุดูŠุก ุฌู…ุงู„ูŠ ุงู„ R ุงู„ุจุฑู†ุงู…ุฌ

636
00:48:41,330 --> 00:48:49,270
ุงู„ุฅุญุตุงุฆูŠ ุงู„ R ุดูŠุก ุฌู…ุงู„ูŠ ู…ูƒู…ู„ุง ุจูŠุถูŠู ู„ูƒู…ูŠู†ุนู†ุฏ ุงู„

637
00:48:49,270 --> 00:48:53,830
raw zero ูุงู‡ู…ู†ุง ุนุดุงู† ุชูƒูˆู† ุงู„ุฃู…ูˆุฑ ู…ุงุดูŠุฉ ุงูŠู‡ ู‡ูŠูƒ ุฏู‡

638
00:48:53,830 --> 00:48:56,890
ุงุญู„ู‰ ุฒูŠ ู…ุง ุจูŠุญูƒูˆุง okay ู‡ูŠ ุฎู„ุงุต ู…ูŠู† ุงูˆู„ order ุนุฏู‰

639
00:48:56,890 --> 00:49:00,590
ุงุฐุง ู‡ุฐุง ุจูŠู‚ุชุฑุญ ุนู„ูŠุง ุงู†ู‡ moving average ู…ู† ู…ูŠู†

640
00:49:00,590 --> 00:49:04,550
order ูˆุงุญุฏ ุทูŠุจ ุงู„ุฑุณู…ุฉ ุงู„ู„ูŠ ุจุนูŠุฏ ู…ู†ู‡ุง ูŠู„ุง ุชุทู„ุน

641
00:49:04,550 --> 00:49:07,070
ุนู„ูŠู‡ุง ุนุดุงู† ู‡ูŠ moving average ุงุชู†ูŠู† ูˆู‡ูŠ ุงู„ code

642
00:49:07,070 --> 00:49:13,230
ุงู„ู„ูŠ ุจูŠุนู…ู„ simulation ุงูˆps ู…ุด

643
00:49:13,230 --> 00:49:17,750
ุนุงุฑู ู„ูŠุด ุงู„ zoom out okay ู‡ุฐุง ูŠุตู„ ู†ุฎุชู… ุนู†ุฏ ู‡ุฐุง ุงู„

644
00:49:17,750 --> 00:49:23,440
slidemoving average of order ุงุชู†ูŠู† ุทุจุนุง ุงู„ .. ุงู‡

645
00:49:23,440 --> 00:49:25,380
ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ .. ุงู„ function ุงู„ู„ูŠ ุจุชุนู…ู„ ุงู„

646
00:49:25,380 --> 00:49:29,960
simulation ู‡ูŠ ุงุณู…ู‡ุง arima.sim ูˆ ุงู„ order ู‡ู†ุง ู…ูŠู†

647
00:49:29,960 --> 00:49:33,720
ู‡ูˆ ุงุชู†ูŠู† ูˆ ุงู„ moving average ู‡ูˆ ุนุจุงุฑุฉ ุนู† ุงู„

648
00:49:33,720 --> 00:49:36,780
coefficients ุฏูˆู„ ุงู„ parameters ุงู„ู„ูŠ ู‡ู… ู‡ู†ุง ุจุฏูˆุง

649
00:49:36,780 --> 00:49:41,260
ูŠุงู‡ู… ู‡ูˆ ู…ูŠู† ู‡ูˆ ุชู…ุงู†ูŠุฉ ู…ู† ุนุดุฑ ุง ูˆ ู…ูŠู† ุณุชุฉ ู…ู† ุนุดุฑ ุง

650
00:49:41,260 --> 00:49:46,070
ุงู„ mouse ูˆุงุถุญ ุงู‡ูˆู‡ูŠู† ุฑุณู…ู†ุงู‡ู… ุฒู‰ ู…ุง ุจุชุนุฑููˆุง ุจุฑูˆุญ

651
00:49:46,070 --> 00:49:49,370
ุจุชุทู„ุน ุจุชุทู„ุน ุนู„ู‰ ุงู„ุฑุณู…ุฉ ุงู„ุชุงู„ุชุฉ ุงู„ partial ูˆู„ุง ุงู„

652
00:49:49,370 --> 00:49:53,130
ACF ุงู„ auto ูƒู„ู‡ ุงู„ ACF ุงู„ุฑุณู…ุฉ ู‡ุงุฏู‰ ุงู„ู„ู‰ ู‡ู‰ ุงู„

653
00:49:53,130 --> 00:49:55,990
moving ู…ุง ุงู†ุชูˆุง ุนุงุฑููŠู† ูƒูŠู ุชูŠุฌูŠ ู…ุงููŠุด ุฏู„ูˆู‚ุชู‰ ุญุงุฌุฉ

654
00:49:55,990 --> 00:49:59,990
ููŠู‡ุง ู‡ุชู†ุทู„ุน ุนู„ู‰ ุงู„ ACF ุงู„ู„ู‰ ู‡ู‰ ุงู„ูˆุณุทุงู†ูŠุฉ ู‡ุงุฏู‰ ูŠู„ุง

655
00:49:59,990 --> 00:50:03,570
ุงูˆู„ ูˆุงุญุฏุฉ ู…ุงุจู†ุญูƒูŠุด ููŠู‡ุง ู„ุฅู†ู‡ุง ุนู†ุฏ order ู…ูŠุฉ zero

656
00:50:03,570 --> 00:50:08,170
ู…ุนุฑูˆู ุงู†ู‡ุง ูˆุงุญุฏ ู…ุชู‰ ุนุฏู‰ ุงู„ุฎุท ุงู„ุฐุฑู‚ู‰ุŸุงู„ูˆุงุญุฏ

657
00:50:08,170 --> 00:50:11,890
ูˆุงู„ุงุชู†ูŠู† ูŠุนู†ูŠ ุชู‚ุชุฑุญ ุนู„ูŠุง ู‡ุฐู‡ ุงู†ู‡ ุงู†ุง moving

658
00:50:11,890 --> 00:50:15,570
average of order ุชู†ูŠู† ุงุฐุงูƒุฑ ู‡ุฐุง ุงู„ูƒู„ุงู… ู„ู…ุง ู†ูŠุฌูŠ

659
00:50:15,570 --> 00:50:19,430
ู†ุญูƒูŠู‡ ุนู„ู‰ ุงู„ box and Jenkins algorithm ุงู† ุดุงุก ุงู„ู„ู‡

660
00:50:19,430 --> 00:50:24,150
ุงู„ู…ุญุงุถุฑุฉ ุงู„ู‚ุงุฏู…ุฉ ุจู†ุจู„ุด ู†ุญูƒูŠ ุนู„ู‰ ุงู„ author .. ุนู„ู‰

661
00:50:24,150 --> 00:50:27,590
ุงู„ุงุฑู…ุฉ ูŠุนู†ูŠ ุทุจุนุง ุงุญู†ุง ุงุชูู‚ู†ุง ุงู† ู‡ุฐู‡ ุณู„ุณู„ุฉ ู…ุญุงุถุฑุงุช

662
00:50:27,590 --> 00:50:29,270
ูŠู„ุง ูŠุนุทูŠูƒูˆุง ุงู„ุนุงููŠุฉ