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1 |
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00:00:04,940 --> 00:00:07,280 |
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ุจุณู
ุงููู ูุงูุญู
ุฏ ููู ูุงูุตูุงุฉ ูุงูุณูุงู
ุนูู ุฑุณูู ุงููู |
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2 |
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00:00:07,280 --> 00:00:12,260 |
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ุฃููุง ูุณููุง ุจูู
ูู ู
ุญุงุถุฑุชูุง ุงูู
ุณุชู
ุฑูุฉ... ูู |
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3 |
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00:00:12,260 --> 00:00:15,740 |
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ู
ุญุงุถุฑุงุชูุง ุงูู
ุณุชู
ุฑูุฉ ูู ู
ุณุงู ุงูู data mining ูู
ุง ุฒููุง |
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4 |
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00:00:15,740 --> 00:00:20,980 |
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ูุชููู
ูู ุจุงุจ ุงูู classificationุ ูุจุงูุชุญุฏูุฏ ุณูุชููู
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5 |
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00:00:20,980 --> 00:00:24,660 |
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ุงูููู
ุนูู decision tree induction. ููุง ูู ุงูู
ุญุงุถุฑุงุช |
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6 |
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00:00:24,660 --> 00:00:27,540 |
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ุงูุณุงุจูุฉุ ุฃู ุงูู
ุญุงุถุฑุฉ ุงูุฃุฎูุฑุฉุ ุฃุถููุง ุดุบูุฉ ุฌุฏูุฏุฉ. ููุง |
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7 |
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00:00:27,540 --> 00:00:31,040 |
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ูุชููู
ุนูู ุงูู Naive Bayes. ูุงูุช ูุนูููุง |
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8 |
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00:00:31,040 --> 00:00:34,320 |
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ูู ูุงุญุฏุฉ ู
ู ุงูู probabilistic approach ุงูู
ุณุชุฎุฏู
ุฉ |
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9 |
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00:00:34,320 --> 00:00:36,800 |
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ูู ุงูู machine learning ู
ู ุฃุฌู ุงูู classification. |
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10 |
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00:00:36,800 --> 00:00:41,680 |
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ููููุง ุฅููู ููุฒู
ูุง ุฃู ูููู
ุจุญุณุงุจ ูู
ุฌู
ูุนุฉ ู
ู |
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11 |
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00:00:41,680 --> 00:00:44,300 |
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probabilities. ุฃูุง ุนูุฏู ุงูู instance ุงููู ุจุฏู... |
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12 |
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00:00:44,300 --> 00:00:46,600 |
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ุงููู ูู ุงูู unseen instance ุงููู ุฃูุง ุจุฏู ุฃุนู
ู ููุง |
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13 |
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00:00:46,600 --> 00:00:50,440 |
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classification ุจูุงุกู ุนูู... ูุจุงูุชุงูู ุงูู class |
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14 |
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00:00:50,440 --> 00:00:54,380 |
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ุงูุทุจุนุฉ ููู instance ูุฐู ุงูู
ูุฌูุฏุฉ ุนูุฏู ุชุณุงูู |
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15 |
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00:00:54,380 --> 00:00:58,370 |
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maximum probability ููู probabilities of the class. |
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16 |
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00:00:58,370 --> 00:01:05,470 |
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ูู ุงุญุชู
ุงููุฉ ุฃู ุชููู ุงูู instance ูุฐู ู
ุน ุงูู class |
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17 |
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00:01:05,470 --> 00:01:10,110 |
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ุงูู
ุนูู. ููู
ุง ุฑุฌุนูุง ุจุงูุชูุตููุ ููุช ุฃูุง ูุนูููุง ุจุญุงุฌุฉ |
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18 |
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00:01:10,110 --> 00:01:14,070 |
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ุฃู ุขุฎุฐ ูุฐู ุงูู data setุ ูุฃุฐูุจ ูุฃูุดุฆ ุงูุฌุฏูู ูุฐุง ุจุญูุซ ุฃููู |
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19 |
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00:01:14,070 --> 00:01:18,550 |
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ุฃุฐูุจุ ุญุณุจุช ุงูู probability ููู element ุฃู ููู |
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20 |
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00:01:18,550 --> 00:01:21,770 |
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classes ุงูู
ูุฌูุฏุฉ ุนูุฏู. ูู
ู ุซู
ุงูุชูููุง ูู ุงูุฎุทูุฉ |
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21 |
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00:01:21,770 --> 00:01:24,910 |
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ุงูุชู ุจุนุฏูุงุ ุฃุฎุฐุช ุงูู attributes ุงูุชู ู
ู ุงูู
ูุชุฑุถ |
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22 |
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00:01:24,910 --> 00:01:27,370 |
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ุงูุชู ู
ู ุงูู
ูุชุฑุถ ุฃู ูููู ูุฏููุง nominal attributesุ ุฃุฎุฐุช |
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23 |
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00:01:27,370 --> 00:01:30,950 |
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distinct valuesุ ูุนู
ูุช ุญุณุงุจ ููู ูุงุญุฏุฉ ู
ููู
ุ ูุงูุชุจููุง |
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24 |
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00:01:30,950 --> 00:01:35,520 |
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ุฏุงุฆู
ูุงุ ูุงูุชุจููุง ุฏุงุฆู
ูุง ุฃููู ูุนูููุง ููุง ูุงุนุฏ ุจุฃุดุชุบู ุนูู |
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25 |
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00:01:35,520 --> 00:01:38,840 |
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ุฃู ุงูู probability ููุณูุงุ ูุนูู ุงูุขู ุนุฏุฏ ุงูู yes ูู ุงูู |
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26 |
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00:01:38,840 --> 00:01:42,880 |
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dataุ ุงููู ุนูุฏู ููุง 4 ุนูู 10. ูู
ู ุซู
ู
ุน ูู route |
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27 |
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00:01:42,880 --> 00:01:48,400 |
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ุฃู ูู attribute ุชุญุช ุงูู yes ุณูููู 4ุ ููู ู
ุฌู
ูุน |
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28 |
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00:01:48,400 --> 00:01:51,920 |
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ุงูุนูุงุตุฑ ุชุญุช ูู no ุณูููู 6ุ ูููุฐุง. ููุฐุง ู
ูุชุงุญ |
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29 |
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00:01:51,920 --> 00:01:56,510 |
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ุงููุฌุงุญุ ููุนูุงุตุฑ ุงูู
ูุฌูุฏุฉ. ููู
ุง ุฌุฆูุง ููุตููู ุงูู |
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30 |
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00:01:56,510 --> 00:01:59,230 |
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sunny ูุงูู mild ูุงูู highุ ูููุง ุญุณุจุช ุงูู |
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31 |
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00:01:59,230 --> 00:02:01,670 |
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probability ููู yes ุงูุชู ูุงูุช 4 ุนูู 10 ูู ุงูู |
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32 |
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00:02:01,670 --> 00:02:04,690 |
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probability ููู sunny ุนูู ุงูู yesุ ููููุง ูุฐุง ุงูุฌุฏูู |
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33 |
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00:02:04,690 --> 00:02:07,810 |
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ุงูุฃุณุงุณ ูู ุงูู
ูุถูุนุ ูู sunny ู yesุ ูููุง 4 ุนูู 10 |
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34 |
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00:02:07,810 --> 00:02:12,530 |
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ู
ุถุฑูุจุฉ ูู ุงูุนูุตุฑ ุงูุซุงููุ ูุงูุช mildุ ุงูู probability |
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35 |
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00:02:12,530 --> 00:02:17,190 |
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ุชุจุนุช ุงูู mildุ ูุนูู ุจูู ููุณูู ูู ุงูู yes ูุฐู ู
ุถุฑูุจุฉ |
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36 |
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00:02:17,190 --> 00:02:22,410 |
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ูู ูุฐู ูู ุงูู mild ูู ุงูู highุ ููุฐู ุงูุนูุงุตุฑ ูุงูุช |
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37 |
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00:02:22,410 --> 00:02:25,050 |
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ุชู
ุซูู ุงูู probability. ูุฃูุง ุญุณุจุช ุงูู probability ููู |
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38 |
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00:02:25,050 --> 00:02:27,850 |
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different classes ุงูู
ูุฌูุฏุฉ ุนูุฏูุ ูุฃุฎุฐุช ุงูู |
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39 |
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00:02:27,850 --> 00:02:31,810 |
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maximum probabilityุ ุนูู ุฃู ูุฐู ูู ุงูุฃูุซุฑ ุงุญุชู
ุงููุฉ |
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40 |
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00:02:31,810 --> 00:02:36,090 |
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ูู ู
ูุถูุน ุฃู ูุฐุง ุงูุนูุตุฑ ุฃู ูุฐู ุงูู instance ุชูุชู
ู ููู |
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41 |
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00:02:36,090 --> 00:02:40,850 |
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class ุงูู
ูุฌูุฏุฉ ุนูุฏูุง. ุงูุขู ุงูููู
ุฅู ุดุงุก ุงููู |
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42 |
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00:02:40,850 --> 00:02:45,620 |
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ุณูุชูุชูู ุฅูู ุงูู
ูุถูุน ุงูุฌุฏูุฏุ ููู ู
ูุถูุน ุงูู |
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43 |
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00:02:45,620 --> 00:02:49,500 |
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decision tree ูู ุงูุชุนุงู
ู ุฃู ูู different classifier. |
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44 |
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00:02:49,500 --> 00:02:53,300 |
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ุงูู decision tree ูู ูุงุญุฏุฉ ู
ู ุงูู classifiers ุงูู
ูู
ุฉ |
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45 |
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00:02:53,300 --> 00:02:57,200 |
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ุฌุฏุงุ ุงูู
ุณุชุฎุฏู
ุฉ ูู ู
ูุถูุน ุงูู classificationุ ูุฃูู
ูุชูุง |
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46 |
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00:02:57,200 --> 00:03:00,840 |
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ุฃููู ุฃู
ูููู ุฃู ุฃุฑุณู
ุงูุดุฌุฑุฉุ ูุจุงูุชุงูู ูุตูุฑ ุชูุณูุฑ |
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47 |
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00:03:00,840 --> 00:03:04,000 |
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ุงูู model ุงูู
ูุฌูุฏ ุนูุฏูุ ุฃู ููู
ุงูู model ุงูุฐู ุนูุฏู |
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48 |
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00:03:04,000 --> 00:03:07,210 |
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ุฃูุซุฑ ู
ู ุบูุฑู. ุนูู ุณุจูู ุงูู
ุซุงูุ ูููุง ูู ุงูู |
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49 |
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00:03:07,210 --> 00:03:10,610 |
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classifier ุงูู
ุงุถูุ ููู naive Bayesุ ุฃููู ูุนูููุง |
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50 |
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00:03:10,610 --> 00:03:13,970 |
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ุนูุฏ ุงูู classifier ูุฐุงุ ู
ูู
ุฃู ุฌูุฏุ ูุฃูู ุฃูุง ุฃูุฏุฑ |
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51 |
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00:03:13,970 --> 00:03:17,090 |
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ุฃูุณุฑ ูู
ุงุฐุง ุงููุชูุฌุฉ ุทูุนุช ู
ุนู ููุฐุงุ ุจูุงุกู ุนูู |
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52 |
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00:03:17,090 --> 00:03:21,310 |
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ุงูุงุญุชู
ุงูุงุช ุงูู
ูุฌูุฏุฉ. ูู ุงูู decision tree ูุฐููุ ูู |
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53 |
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00:03:21,310 --> 00:03:24,590 |
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decision tree ูู ุนุจุงุฑุฉ ุนู ุฃููู ูุนูููุง ุฃูุจูู |
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54 |
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00:03:24,590 --> 00:03:26,930 |
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decision tree. ุฃููุง ุงูุณุงุฏุฉุ ูู
ุง ุฃูุง ุจุฃุชููู
ุนูู |
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55 |
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00:03:26,930 --> 00:03:31,210 |
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decision treeุ ุชุฐูุฑูุงุ ุฏุนููุง ูุชุฐูุฑ ุจุณุฑุนุฉ ุงูู |
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56 |
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00:03:31,210 --> 00:03:34,930 |
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binary search tree. ูุง ุฃุฑูุฏ ุฃูุซุฑ ู
ู ุฐูู. ุงูู binary |
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57 |
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00:03:34,930 --> 00:03:38,490 |
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search tree ูุงูุช ุนูุงุตุฑูุง ุฃูู ูู node ุนูู |
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58 |
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00:03:38,490 --> 00:03:43,580 |
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ุงูุฃูุซุฑ ูุฏููุง two childุ ุตุญูุญุ ูุฐู ูู ุงูู binary tree. |
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59 |
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00:03:43,580 --> 00:03:47,140 |
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ููุงู ููู rule ูุญูู
ูุงุ ุงูู rule ุฃููู ูู ุงูู binary |
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60 |
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00:03:47,140 --> 00:03:51,200 |
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search treeุ ุฃูู ูู ุงูููู
ุงูุชู ุนูู ุงููู
ูู ููุง ุณุชููู |
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61 |
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00:03:51,200 --> 00:03:55,570 |
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ุฃูุจุฑ ู
ู ุงูู elementุ ููู ุงูููู
ุงูุชู ู
ูุฌูุฏุฉ ุนูุฏูุง ููุง |
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62 |
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00:03:55,570 --> 00:03:59,330 |
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ุณุชููู ุฃุตุบุฑ. ุทูุจุ ุงูููู
ุงูู
ุชุณุงููุฉุ ู
ุงููุง ูุฌูุฏุ ุงูู
ูุฑุฑุฉ |
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63 |
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00:03:59,330 --> 00:04:02,830 |
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ู
ุงููุง ูุฌูุฏ. ูุจุงูุชุงูู ุงูู element ู
ุน ูู nodeุ ุงูู node |
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64 |
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00:04:02,830 --> 00:04:05,690 |
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ุงูุชู ุนูุฏูุง ุงูููู
ุงูู
ูุฌูุฏุฉ ููุง ุณุชููู ุฃุตุบุฑ ู
ู ุงูููู
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65 |
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00:04:05,690 --> 00:04:08,810 |
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ุงูุชู ู
ูุฌูุฏุฉ ููุงุ ููุฐู ุทุจูุนุชูุง ุณุชููู ุฃุตุบุฑ ู
ู ุงูููู
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66 |
|
00:04:08,810 --> 00:04:12,330 |
|
ุงูุชู ู
ูุฌูุฏุฉ ุนูุฏูุง. ุจู
ุนูู ุขุฎุฑุ ุฃูู ุงูู structure ุชุจุน ุงูู |
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67 |
|
00:04:12,330 --> 00:04:15,250 |
|
decision treeุ ุฃูุง ุจุงููุนู ุฃุนุฑููุงุ ูู ุนุจุงุฑุฉ ุนู |
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68 |
|
00:04:15,250 --> 00:04:18,270 |
|
ู
ุฌู
ูุนุฉ ู
ู ุงูู nodes ูุงูู connection ุฃู ุงูู connected |
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69 |
|
00:04:18,270 --> 00:04:22,790 |
|
ุฃู ุงูู graph with no circuitุ ุฒู ู
ุง ููุง ูุณู
ููุง ูู ุงูู |
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70 |
|
00:04:22,790 --> 00:04:25,670 |
|
discrete mathematicsุ ุฃุดุจู ุจุงูู flow chartุ ุฒู ู
ุง |
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71 |
|
00:04:25,670 --> 00:04:28,750 |
|
ูููุง ุณุงุจููุง. ูู ุนูุฏู ุงูู internal nodeุ ูุงููู ุฃูุง |
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72 |
|
00:04:28,750 --> 00:04:32,150 |
|
ูุนูููุง ูู ุงูู value ุชุจุนูุง... ุณุชู
ุซู ุงูู value ุชุจุน ุงูู |
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73 |
|
00:04:32,150 --> 00:04:35,490 |
|
attribute ุงูุชู ุณุฃุญู
ู ุนูููุง ุงููุญุตุ ุณุฃุณุฃู: ูู
ุงูู GPA |
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74 |
|
00:04:35,490 --> 00:04:40,550 |
|
ุฃูุจุฑ ุฃู ุชุณุงูู ูุฐุงุ ุฃุฐูุจ ูู
ูููุงุ ุฃูู ุฃู falseุ ุฃุฐูุจ ูุณุงุฑูุง. |
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75 |
|
00:04:40,550 --> 00:04:45,090 |
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ูููุฐุง. ููุฐู ุงูู internal nodeุ ุงูุชู ูู ุนุงุฏุฉ non-leafุ |
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76 |
|
00:04:45,950 --> 00:04:49,790 |
|
ุชุญุฏุฏ ุงูู test ุชุจุน ุงูู attributeุ ุงูู branch ูู
ุซู ุงูู |
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77 |
|
00:04:49,790 --> 00:04:53,210 |
|
outcomeุ ูุตูููุง ููู leaf ุงูู
ูุฌูุฏุฉ ุนูุฏูุ ูุงูู leaf |
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78 |
|
00:04:53,210 --> 00:04:58,070 |
|
node ุชู
ุซูู ุงูู classุ ูุทุจุนูุง ูุงุฒู
ูู ุดุฌุฑุฉ ูููู ููุง |
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79 |
|
00:04:58,070 --> 00:05:03,690 |
|
root node. ุชุนุงููุง ูุดูู ุงูู data set ุงูุจุณูุทุฉ ุงูุชู |
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80 |
|
00:05:03,690 --> 00:05:08,870 |
|
ู
ูุฌูุฏุฉ ุนูุฏูุง. ูุฐู ุงูู data set ู
ููููุฉ ู
ู 14 rowุ ุงูู |
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81 |
|
00:05:08,870 --> 00:05:12,490 |
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Age ูุงูู income ูุงูู student ูุงูู credit rating ูุงูู |
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82 |
|
00:05:12,490 --> 00:05:15,710 |
|
class ุชุจุนู. ูุทุจุนูุงุ ุฃููุง ุงูุณุงุฏุฉุ ูู
ุง ูุญู ูุฐูุจ |
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83 |
|
00:05:15,710 --> 00:05:20,610 |
|
ุจุงุชุฌุงู ุงูู binary classุ ูุนูู two classesุ ุงูุฃู
ุฑ ุงูุฐู |
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84 |
|
00:05:20,610 --> 00:05:23,690 |
|
ุฃุณููุ ูุฃุฌู ุงุณุชูุนุงุจ ู
ุงุฐุง ูุญุฏุซุ ูุฃูู ูู
ุง ุชุตุจุญ ุนูุฏู |
|
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85 |
|
00:05:23,690 --> 00:05:26,430 |
|
ุซูุงุซุฉุ ุณุชุชุดุนุจ ุงูุฃู
ูุฑ ูููููุง ูู ุงูุญุณุงุจุ ูููููุง |
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86 |
|
00:05:26,430 --> 00:05:32,030 |
|
ุนุจุงุฑุฉ ุนู ุชูุฑุงุฑ ูู
ุง ุณุจู. ุงูุขู ุฃูุง... ุนูุฏู ู
ุฌู
ูุนุฉ |
|
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87 |
|
00:05:32,030 --> 00:05:35,530 |
|
ู
ู ุงูุทูุงุจุ ุฃู ุจูุงูุงุช ู
ุฌู
ูุนุฉ ู
ู ุงููุงุณ ุงูุฐูู ุงุดุชุฑูุง |
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88 |
|
00:05:35,530 --> 00:05:39,190 |
|
ุญุงุณุจุงุช. ูุงูู data set ูุงูุช ูุฏูู
ุฉุ ูู ุงูู 2000ุ ููุงู |
|
|
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89 |
|
00:05:39,190 --> 00:05:42,630 |
|
ูุณุฃู: ูู ูุฐุง ุงูุดุฎุต ู
ุคูููุ ุฃู ู
ู
ููุ ู
ุน ุงุญุชู
ุงู ุฃู ูุดุชุฑู |
|
|
|
90 |
|
00:05:42,630 --> 00:05:47,430 |
|
ุฌูุงุฒูุง ุฃู
ูุงุ ุจูุงุกู ุนูู ุญุงูุชู. ุงูู ageุ ูุงุญุธูุง ุงูู ageุ ุฃูุง |
|
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|
91 |
|
00:05:47,430 --> 00:05:52,190 |
|
ุฃุชููู
ุนูู discrete ุฃู categorial data. ุงูู incomeุ |
|
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92 |
|
00:05:52,190 --> 00:05:56,210 |
|
high ู low ู medium. ุทุงูุจ ุฃู
ุบูุฑ ุทุงูุจุ yes ุฃู no. ูุงูู |
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|
93 |
|
00:05:56,210 --> 00:06:00,750 |
|
credit ratingุ ุนุงุฏู ุฃู ู
ุนุชุฏู ุฃู excellent. |
|
|
|
94 |
|
00:06:00,750 --> 00:06:03,830 |
|
ุจุงููุณุจุฉ ููู
ุชูุณุท ุงูุฑุงุชุจ ุชุจุนูุ ููู ุงูุขุฎุฑ ุงูู class |
|
|
|
95 |
|
00:06:03,830 --> 00:06:07,330 |
|
ุงูู
ูุฌูุฏุฉ ุนูุฏูู
. ุงูุขูุ ูู
ุง ุฃูุง ุจุฏู ุฃุจูู treeุ ุงูู |
|
|
|
96 |
|
00:06:07,330 --> 00:06:11,730 |
|
tree ุณุชุฃุฎุฐ ุจุงูุดูู ูุฐุง. ุฏุนููุงุ ูุฃุฌู ุฃู ูุฃุฎุฐ ุนูู |
|
|
|
97 |
|
00:06:11,730 --> 00:06:16,110 |
|
ุงูุณุฑูุนุ ูุฃุฎุฐ ุงูู role ุฃูููุงุ ูุฃุฌู ุฃู ูุชุฐูุฑุ ููุดูู ููู ุจุฏู |
|
|
|
98 |
|
00:06:16,110 --> 00:06:19,350 |
|
ุฃุชูุงูู ุงูู treeุ ุฃู ููู ุชุนู
ู ูู classifier. yesุ |
|
|
|
99 |
|
00:06:19,350 --> 00:06:24,090 |
|
highุ noุ fair. |
|
|
|
100 |
|
00:06:26,540 --> 00:06:32,680 |
|
ุงูู target ุชุจุนูุ ูุงุ ูุฐุง ุฃูู row. ุจุณ ุฃูุงุ ูุฃุฌู ุฃู ุฃุบููุฑุ |
|
|
|
101 |
|
00:06:32,680 --> 00:06:36,700 |
|
ุจุฏู ุฃุญุท ููุง yesุ ูุฃุฌู ุฃู ุชุตุจุญ ูุฐู ุงูู data ุฃุดุจู ุจุงูู |
|
|
|
102 |
|
00:06:36,700 --> 00:06:41,660 |
|
unseenุ ูุฃุดูู ุจุงูู classification ุชุจุนูุง ููู ุจุฏูุง |
|
|
|
103 |
|
00:06:41,660 --> 00:06:47,620 |
|
ุชููู. ุงูุขูุ ุฒู ู
ุง ูููุงุ ูุฏููุง ุงูู ageุ ุงูู incomeุ |
|
|
|
104 |
|
00:06:47,620 --> 00:06:50,860 |
|
studentุ |
|
|
|
105 |
|
00:06:50,860 --> 00:06:54,920 |
|
ููู ุงูุขุฎุฑ ุงูุชู ูู ุงูู credit |
|
|
|
106 |
|
00:07:02,220 --> 00:07:06,100 |
|
rate. ุญุงุฌุฉ ุนูู decision tree. ุงูู decision tree ุฃู ุงูู |
|
|
|
107 |
|
00:07:06,100 --> 00:07:09,400 |
|
modelุ ูู
ุง ุชู
ุจูุงุคูุ ุฌุงุก ูููู: ุฃูู
element ูู |
|
|
|
108 |
|
00:07:09,400 --> 00:07:13,660 |
|
ุงููุฑุงุฑ ุนูุฏูุ ุงูู age. ูุณูุชุนุฑูู ูู
ุงู ูุญุธุงุชุ ุฅู ุดุงุก ุงููู |
|
|
|
109 |
|
00:07:13,660 --> 00:07:17,240 |
|
ุชุนุงููุ ููู ูุญู ุงุฎุชุฑูุง ุงูู age. ูู
ุงุฐุง ูู
ุชูู |
|
|
|
110 |
|
00:07:17,240 --> 00:07:20,060 |
|
studentุ ุฃู ูู credit ratingุ ุงูุชู ูู ุงูู attributes |
|
|
|
111 |
|
00:07:20,060 --> 00:07:23,260 |
|
ุงูุฃุฎุฑูุ ููุงุญุธูุง ุฃูู ุนูุฏูุ ุจุงููุงู
ูุ ุนูุฏู |
|
|
|
112 |
|
00:07:23,260 --> 00:07:27,950 |
|
attribute ุบุงุฆุจุ ููู ู
ูุถูุน ุงูู income ูู ุงูู |
|
|
|
113 |
|
00:07:27,950 --> 00:07:30,530 |
|
decision tree ุงูู
ูุฌูุฏุฉ ุนูุฏู. ูุนูู ูู ูุฃูู ูููู |
|
|
|
114 |
|
00:07:30,530 --> 00:07:35,270 |
|
ุงูู income ููุง ููุณ ูู ุชุฃุซูุฑ ูุซูุฑ ุนูู ุงูู decision |
|
|
|
115 |
|
00:07:35,270 --> 00:07:39,010 |
|
ุฃู ุนูู ุงููุฑุงุฑ ุงูู
ูุฌูุฏ ุนูุฏู. ุทูุจุ ููู ูุฐุง ุงูููุงู
|
|
|
|
116 |
|
00:07:39,010 --> 00:07:44,590 |
|
ุตุงุฑุ ุณูุฑุงู ูููููุงุ ูู
ุงุฐุงุ ูู ุฏูุงูุฉ ุฃุฎุฑู ููุงุ ูุฃุชู |
|
|
|
117 |
|
00:07:44,590 --> 00:07:47,350 |
|
ูููู ุฅูู ุงูู income ุงูุฃูู ุชุฃุซูุฑูุงุ ุฃู ููุณ ูู ุชุฃุซูุฑุ ูุนูู |
|
|
|
118 |
|
00:07:47,350 --> 00:07:50,130 |
|
ุจุฅู
ูุงูู ุฃู ุฃุดูููุ ุฃู ุฃุณุชุบูู ุนูู. ุจุฌู
ุน ุงูุจูุงูุงุช ุงูุฃุฎุฑู |
|
|
|
119 |
|
00:07:50,130 --> 00:07:55,510 |
|
ุณุชููู ุฃุณูู. ุงูุขูุ ุงูู age: youth, middle ageุ ู senior. |
|
|
|
120 |
|
00:07:55,510 --> 00:07:59,210 |
|
ูู ุนูุฏู ุชูุฑุนุงุช ุฃุฎุฑูุ ูุงุ ูุคูุงุก ุงูู three discrete |
|
|
|
121 |
|
00:07:59,210 --> 00:08:02,850 |
|
values ุงูู
ูุฌูุฏุฉ ุนูุฏู ุจุงูู ageุ ุชู
ุงู
ุ ุญุณุจ ุงูู rule |
|
|
|
122 |
|
00:08:02,850 --> 00:08:09,970 |
|
ุนูุฏูุง ููุงุ ูู ุงูู age. ุฅุฐุง ุฃูุง ุณุฃูุชู ageุ ูุนูู ุฎูุงุต ูู |
|
|
|
123 |
|
00:08:09,970 --> 00:08:14,010 |
|
branch ุงูุณุงุจู ูุฐู ููุณ ูู ุฏุฎู ุจูุง. ุฅุฐุง ูุงู ูู |
|
|
|
124 |
|
00:08:14,010 --> 00:08:19,770 |
|
studentุ ุบุงูุจูุง ุณูุดุชุฑูุ ููู ุฃุจุญุซ ุนู ุงูู
ุฒูุฏุ ูู |
|
|
|
125 |
|
00:08:19,770 --> 00:08:22,210 |
|
ุชุญุชุงุฌูู. ุชุนุงููุงุ ุทูุน ู
ุนู ููุง. |
|
|
|
126 |
|
00:08:26,000 --> 00:08:28,800 |
|
ููุฐุง ุงูุทุงูุจ ุณูููู ูุดุชุฑู ูู
ุจููุชุฑุ ูู
ุงุฐุงุ ูุฃูู ุฅุฐุง |
|
|
|
127 |
|
00:08:28,800 --> 00:08:31,800 |
|
ูุงู ูู ูู ุงูู middle ageุ ุฃู ูู ุงูู youthุ ุตุบูุฑ ุฃู ุดุงุจ |
|
|
|
128 |
|
00:08:31,800 --> 00:08:35,300 |
|
ูุงูุน ูุทุงูุจ ูู ููุณ ุงูููุชุ ูุนูู ุทุงูุจ ุฌุงู
ุนุฉุ ูุบุงูุจูุง |
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129 |
|
00:08:35,300 --> 00:08:38,820 |
|
ูุฐุง ุณูุญุชุงุฌ ูู
ุจููุชุฑุ ูู
ู ุซู
ุณูุฐูุจ ููุดุชุฑูู. ูู ุฃูุง ุจุฏู |
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130 |
|
00:08:38,820 --> 00:08:42,000 |
|
ุฃุนูุฏ ุฅูู ุงูู data set ุงูู
ูุฌูุฏุฉ ุนูุฏู ููุงุ youth ู |
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131 |
|
00:08:42,000 --> 00:08:49,200 |
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student ู fairุ yes. youthุ studentุ ู fairุ |
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132 |
|
00:08:51,960 --> 00:08:54,880 |
|
ูุฃุฌู ุฃู ุชูุงุญุธูุง ุฃูู ูุฐูู ูู
ุง ุงููุฐุงู ูุงูุง ุฃูุซุฑ |
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133 |
|
00:08:54,880 --> 00:09:00,340 |
|
ุชุฃุซูุฑูุง ูู ุญุงูุฉ ุงูู elements ุงูู
ูุฌูุฏุฉ. ูููุฐุงุ ูู |
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134 |
|
00:09:00,340 --> 00:09:05,040 |
|
ูุงู still age ูู ุงูู middle ageุ ู
ุจุงุดุฑุฉ ุณูููู ูุดุชุฑู |
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135 |
|
00:09:05,040 --> 00:09:08,040 |
|
ุงูู attributeุ ูู ูุงู seniorุ |
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136 |
|
00:09:10,850 --> 00:09:14,250 |
|
ูุงูู income rate ุงูุฐู ุนูุฏู fairุ ุบุงูุจูุง ูู ูุดุชุฑูู. |
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137 |
|
00:09:14,250 --> 00:09:17,210 |
|
ูููุฐุง ุชุตุจุญ ู
ูุถูุน ุงูู decision ุฃู ู
ูุถูุน ุงูู |
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138 |
|
00:09:17,210 --> 00:09:19,950 |
|
classification. ูุนูู ุงูู leaves ุงูุชู ุนูุฏู ูู ุงูู node |
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139 |
|
00:09:19,950 --> 00:09:23,850 |
|
ุฃู ุนููุงู ูู ุงูู... ูู ุงูู treesุ ุงูู leaf nodes ุชู
ุซูู |
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140 |
|
00:09:23,850 --> 00:09:27,930 |
|
ุงูู classes ุงูุชู ุฃูุง ุฃุจุญุซ ุนููุง. ูุทุจุนูุง ุนู
ู |
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141 |
|
00:09:27,930 --> 00:09:33,210 |
|
ุงูุดุฌุฑุฉ ูุญุฌู
ูุง ู
ุฑุชุจุท ุจุนุฏุฏ ุงูู attributes ูุญุฌู
ุงูู |
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142 |
|
00:09:33,210 --> 00:09:35,970 |
|
data set ุงูู
ูุฌูุฏุฉ ุนูุฏู. |
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143 |
|
00:09:38,250 --> 00:09:42,710 |
|
ุงูุขูุ ุงูู algorithm ุงูู
ุณุชุฎุฏู
ู
ุน ุงูู decision treeุ |
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144 |
|
00:09:42,710 --> 00:09:50,490 |
|
ููู ุงูู basic algorithmุ ูุณู
ูู C4.5. ููุฐุง ูุนู
ู |
|
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145 |
|
00:09:50,490 --> 00:09:54,150 |
|
ูู ู
ุจุฏุฃ ุงูู top-down recursive divide and conquer. |
|
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146 |
|
00:09:54,150 --> 00:09:58,730 |
|
ุงูุขูุ ุงููุงุณ ุงูุฐูู ุฃุฎุฐูุง ุฎูุงุฑุฒู
ูุงุชุ ุญุชู
ูุง ู
ุฑู ุนูููู
ู
ุตุทูุญ |
|
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147 |
|
00:09:58,730 --> 00:10:03,170 |
|
divide and conquer. ุงูููุฑุฉ ูู ุงูู algorithm ูุฐุงุ ุฃูู |
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148 |
|
00:10:03,170 --> 00:10:07,810 |
|
ุงูู
ุดููุฉ ุงููุจูุฑุฉ ูุฌุฒูุฆูุงุ ููุณุชุทูุน ุงูุณูุทุฑุฉ ุนูููุง. ูุนูู |
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149 |
|
00:10:07,810 --> 00:10:11,630 |
|
ุจูุฌุฒุฆูุงุ ูุญู ุฌุฒุก ุฌุฒุก ู
ู ุงูู data set ุงูู
ูุฌูุฏุฉ ุนูุฏู |
|
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150 |
|
00:10:11,630 --> 00:10:14,890 |
|
ููุงุ ูุณูุฑู ูููููุง. ููุฐุง ุงูู
ุจุฏุฃ ูู ู
ุจุฏุฃ ุงูู |
|
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151 |
|
00:10:14,890 --> 00:10:17,870 |
|
greedyุ ุทุจุนูุง. ูู
ู ุซู
ุงูู algorithm ูุฐุง ุฃุฎุฐ ุงูู greedy |
|
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152 |
|
00:10:17,870 --> 00:10:21,450 |
|
algorithm. ู
ุงุฐุง ูุนูู greedyุ ูุนูู ุงูุทู
ุงุน. ููุฑุชูุ ุจูู |
|
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153 |
|
00:10:21,450 --> 00:10:24,710 |
|
ุจุณุงุทุฉุ ุฃููู ุฃูุธุฑ ุฅูู best solution ูู ุงูู current |
|
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154 |
|
00:10:24,710 --> 00:10:29,210 |
|
stageุ ูุง ุฃูุชู
ุนูู ุงูู
ุฏู ุงูุจุนูุฏุ ู
ุงุฐุง ุณูุญุฏุซ ุนูุฏูุ |
|
|
|
155 |
|
00:10:30,520 --> 00:10:33,720 |
|
ุณุฃุจุฏุฃ ู
ุน ูู examplesุ ุณุขุฎุฐ ู
ุน ุงูู data ุงูู attributes |
|
|
|
156 |
|
00:10:33,720 --> 00:10:38,280 |
|
ููู ุงูู data setุ ูุฃุฐูุจ ูุฃุฌู ุฃู ุฃูุฌุฏุ ุฃู ุฃุฌุฏ ู
ู |
|
|
|
157 |
|
00:10:38,280 --> 00:10:45,240 |
|
ุฎูุงููุง ุงูู root. ุงูุขูุ ูู ุงูู data set ุงูุชู ุนูุฏู ููุง |
|
|
|
158 |
|
00:10:45,240 --> 00:10:52,780 |
|
must be categorical. ุงูุขู ูู ุงูู C4.5ุ ูู ุงูู |
|
|
|
159 |
|
00:10:52,780 --> 00:10:56,500 |
|
attribute ูุงุฒู
ุชููู categorical. ุทูุจุ ุฃูุง ู
ุง ุนูุฏูุดุ ุฃูุง |
|
|
|
160 |
|
00:10:56,500 --> 00:11:01,750 |
|
ุนูุฏู continuous valueุ ุณุฃููู
ุจุนู
ู discretizationุ ูููู |
|
|
|
161 |
|
00:11:01,750 --> 00:11:06,030 |
|
ุจุฅู
ูุงูู ุฃู ุฃูุนุทููุง labelุ ูุฃุนุชู
ุฏุ ุฃุดุชุบู ุนูู ุงูู label ุงูู
ูุฌูุฏุฉ |
|
|
|
162 |
|
00:11:06,030 --> 00:11:09,810 |
|
ุนูุฏู ููุง. ูุนูู ูู
ุง ุชุฃุชู ู
ุซูุงู ุงูู ageุ ูููู ูุงููู |
|
|
|
163 |
|
00:11:09,810 --> 00:11:19,390 |
|
youth ู
ู 16 ู
ุซูุงู ุฅูู 22ุ youth. ุงูู |
|
|
|
164 |
|
00:11:19,390 --> 00:11:24,870 |
|
ageุ ุฃููู ู
ุซูุงู ู
ู 23 ุฅูู 35ุ senior. |
|
|
|
165 |
|
00:11:26,900 --> 00:11:30,060 |
|
ูุจุงูุชุงูู ุฃูุง ุฃูุฏุฑ ุฃุดุชุบู... ุจู
ุง ุฃูู ุงูู algorithm ูุฑูุฏ |
|
|
|
166 |
|
00:11:30,060 --> 00:11:33,260 |
|
ู
ูู discrete ุฃู nominal dataุ ูุฃูุฏุฑ ุฃุนู
ู |
|
|
|
167 |
|
00:11:33,260 --> 00:11:37,140 |
|
discretizationุ ุฃุนู
ู binningุ ูุจุนุฏ ุฐูู ุฃุฐูุจุ ุฃุถุน |
|
|
|
168 |
|
00:11:37,140 --> 00:11:43,280 |
|
label ููู bin ุฃู ููู interval ูู ุงูู continuous |
|
|
|
169 |
|
00:11:43,280 --> 00:11:47,000 |
|
attribute ุงูู
ูุฌูุฏุฉ ุนูุฏูู
. ูุนูู ุงูุฑุบู
ู
ู ุฐููุ ุณุฃุชููู
|
|
|
|
170 |
|
00:11:47,000 --> 00:11:51,160 |
|
ูุฐูู ูููููุงุ ุจุดูู ุจุณูุทุ ูู ู
ูุถูุนุ ูุนูููุง ููู ุฃู
ูููู |
|
|
|
171 |
|
00:11:51,160 --> 00:11:54,620 |
|
ุฃูุญุต ูู ูุงู ุนูุฏู continuous. ูู algorithms ู
ุฎุชููุฉ. |
|
|
|
172 |
|
00:11:54,620 --> 00:11:55,680 |
|
ุทูุจ. |
|
|
|
173 |
|
00:11:58,590 --> 00:12:03,350 |
|
ู
ู
ุชุงุฒ. ู
ุนูุงุชู ุฃูุง ูุนูููุง ุณุขุฎุฐ ุงูู data setุ ูุฃุจุฏุฃ ุฃู
ุฑุฑ |
|
|
|
174 |
|
00:12:03,350 --> 00:12:08,530 |
|
ุนูู ูู attribute ูุนูู ูู ุงูู rowsุ ูุฃูุฌุฒูุฆ ุงูุนูุงุตุฑ |
|
|
|
175 |
|
00:12:0 |
|
|
|
223 |
|
00:15:57,930 --> 00:16:01,530 |
|
student ููุงูุช ูู ุงูู student ุงูู student ูุฏูู yes ู |
|
|
|
224 |
|
00:16:01,530 --> 00:16:06,370 |
|
no ุจูุงุก ุนูููุ ุงูู data set ุจุชูุฌู ุณูู
ูุฉ two data sets |
|
|
|
225 |
|
00:16:06,370 --> 00:16:10,450 |
|
ูู
ุงู ู
ุฑุฉ ูุงุญุฏุฉ ู
ุน ุงูู yes ู ูุงุญุฏุฉ ู
ุน ุงูู noุ ู ุจููู |
|
|
|
226 |
|
00:16:10,450 --> 00:16:14,510 |
|
ุทุจุนุง ุจู
ุง ุฃูู ุฃูุง student yes ู no ุจุฑูุญ ุจุฏูุฑ ุตุงุฑุช |
|
|
|
227 |
|
00:16:14,510 --> 00:16:17,450 |
|
ูุฏููุฉ ุจููุชู
ูุง ูุฏููุฉ class ู ูุฏููุฉ ูู partition ุจููุชู
ูุง ูู |
|
|
|
228 |
|
00:16:17,450 --> 00:16:22,100 |
|
ุงูู class ู
ุนูุงุชู ุฃูุง ูุฌูุชุ ุทูุจ ูุญุตุช ุงูู .. ุนููุงุ ูุญุตุช |
|
|
|
229 |
|
00:16:22,100 --> 00:16:26,320 |
|
ุงูู age ู ูุญุตุช ุงูู student ู ูุญุตุช ุงูู income ู ูู |
|
|
|
230 |
|
00:16:26,320 --> 00:16:28,940 |
|
ุงูุขุฎุฑุ ูุงุฌูุช ุฃู ุฃูุง ูุนููุง ู
ุง ููุด ุนูุฏู attributes |
|
|
|
231 |
|
00:16:28,940 --> 00:16:32,200 |
|
ูุฎูุตูุงุ ููุฐู ุงูู condition ุฃู stopping conditions |
|
|
|
232 |
|
00:16:32,200 --> 00:16:35,900 |
|
ุงููู ุฃูุง ู
ู
ูู ุฃููู ุนูููุง ุทุงูู
ุง ุงูู data ุณุชุฉ ุจูุช |
|
|
|
233 |
|
00:16:35,900 --> 00:16:40,840 |
|
ูุจูุฑุฉ ู ูููุง ุดุบูุ ุงูู decision tree ุจูุงุฎุฏ ู
ูู ููุช ุทููู ูู |
|
|
|
234 |
|
00:16:40,840 --> 00:16:44,820 |
|
ู
ูุถูุน ุงููุฑุงุฑ ุงููู ู
ูุฌูุฏ ููุงุ ูู
ุงู ู
ุฑุฉ ุจูุฎุต ุจุดูู |
|
|
|
235 |
|
00:16:44,820 --> 00:16:50,430 |
|
ุณุฑูุนุ ู
ุชู ุฃูุง ู
ู
ูู ุฃูููุ ุฃุธู ุฃุจุญุซุ ู
ูู ุงููู ุจูุญุฏุฏ ุงูู |
|
|
|
236 |
|
00:16:50,430 --> 00:16:53,630 |
|
depth ุชุจุนุช letter Eุ ุงูู depth ุชุจุนุช letter E ุชุญุฏุฏ |
|
|
|
237 |
|
00:16:53,630 --> 00:16:56,810 |
|
ุชุจุน ุงูู dimensionality ุชุจุน ุงูู data setุ ุนุฏุฏ ุงูู |
|
|
|
238 |
|
00:16:56,810 --> 00:17:01,550 |
|
attributes ู ุนุฏุฏ ุงูู rowsุ ุงูุขู ู
ุชู ุจุฏู ุฃูููุ ูู
ุง |
|
|
|
239 |
|
00:17:01,550 --> 00:17:04,890 |
|
ุชููู ูู ุงูู sample ูู ุงูู given node ุชูุชู
ู ูููุณ ุงูู |
|
|
|
240 |
|
00:17:04,890 --> 00:17:07,950 |
|
classุ ูุนูู ูู
ุง ุฃูุง ุงุฎุชุฑุช ุงูู attribute ู ุฑูุญุช ุฃุนู
ู |
|
|
|
241 |
|
00:17:07,950 --> 00:17:11,970 |
|
splitุ ูุงุฌูุช ูุงุญุฏุฉ ู
ู ุงูู partitions ุงููู ู
ูุฌูุฏุฉ |
|
|
|
242 |
|
00:17:11,970 --> 00:17:13,970 |
|
ุจุชูุชู
ู ูููุณ ุงูู classุ ุฎูุงุตุ ูุงุฏ ุงุจููุ ู
ุง ููุด ูููุง ุดุบู |
|
|
|
243 |
|
00:17:13,970 --> 00:17:16,870 |
|
ูุฅู ูุงุฏ ุงูู decision ุชุจุนุชูุง ู
ุจุงุดุฑุฉุ ูุฅููุง ุจุชูุชู
ู |
|
|
|
244 |
|
00:17:16,870 --> 00:17:20,850 |
|
ูููุณ ุงูู classุ ู
ุนูุงุชู ุฎูุงุต ูุตูุช ูู leave nodeุ ุงูู |
|
|
|
245 |
|
00:17:20,850 --> 00:17:29,750 |
|
leave node ุชุจุนุชูุ ุงูู leave nodeุ ุงูู leaveุ ูู
ุง ุงูุฎูุงุฑ |
|
|
|
246 |
|
00:17:29,750 --> 00:17:32,690 |
|
ุงูุชุงููุ ุฃูู ูู
ุง ุจููู ูุนููุง ุฃูุง ุนู
ูุช splitting ููู |
|
|
|
247 |
|
00:17:32,690 --> 00:17:35,250 |
|
data set ุนูู ูู ุงูู attributes ู ุฎูุตุช ุงูู attributes |
|
|
|
248 |
|
00:17:35,250 --> 00:17:40,030 |
|
ุชุจุนุชูุ ุจุฑุถู ู
ุง ุนูุฏูุด ุดุบูุ ู there is no sample left |
|
|
|
249 |
|
00:17:40,030 --> 00:17:43,610 |
|
ู
ุง ุจูุงุด ุนูุฏู ููุง ุญุงุฌุฉ ูู ุงูู data set ุนุดุงู ุฃุฌุณู
ูุง |
|
|
|
250 |
|
00:17:43,610 --> 00:17:47,510 |
|
ุนูู ู
ุณุชูู ุงูุฑุฃุณุ ุชุนุงููุง ูุฑูุญ ู
ุน ุจุนุถ ู
ู ุฎูุงู ูุดูู ุงูู |
|
|
|
251 |
|
00:17:47,510 --> 00:17:52,910 |
|
information gain ู ูู ุงูุฃูุซุฑ ู ุงูุฃุดูุฑ ุงุณุชุฎุฏุงู
ุงุ ู |
|
|
|
252 |
|
00:17:52,910 --> 00:17:55,830 |
|
ุงูู Gain Indexุ ููุชููู
ุนูู ุงูู information gain ุจูู |
|
|
|
253 |
|
00:17:55,830 --> 00:17:59,970 |
|
ุจุณุงุทุฉุ ุงูู information gain ุจุชุนุชู
ุฏ ุนูู ุงูู |
|
|
|
254 |
|
00:17:59,970 --> 00:18:02,830 |
|
probabilityุ ู
ุด ุฅุญูุง ูููุง ูุจู ุดููุฉ ู
ูุถูุน ุงูู |
|
|
|
255 |
|
00:18:02,830 --> 00:18:06,970 |
|
splitting ุฃู ุงููุตู ูู ุงูู attributes ุจูุนุชู
ุฏ ุงุนุชู
ุงุฏุง |
|
|
|
256 |
|
00:18:06,970 --> 00:18:12,250 |
|
ููู ุนูู ูุนููุง ุงูุนูุงุตุฑ ุงููู ู
ูุฌูุฏุฉุ ุนูู ุงุญุชู
ุงู |
|
|
|
257 |
|
00:18:12,250 --> 00:18:15,930 |
|
ูููู ููุง ุฅู
ุง heuristic rules ุฃู statistical |
|
|
|
258 |
|
00:18:15,930 --> 00:18:19,650 |
|
measurementุ ูู
ุง ุจุชููู
ุนูู probability ู
ุนูุงุชู ุฃูุง |
|
|
|
259 |
|
00:18:19,650 --> 00:18:22,950 |
|
ุฌุงู ุจุชููู
ุนูู ุงุญุชู
ุงูุงุชุ ุงูู statistics ุฅูู ุขุฎุฑู |
|
|
|
260 |
|
00:18:23,780 --> 00:18:27,160 |
|
ุจูููุ ุงูุชุฑุถ ุฃู ุงูู P I ูู ุนุจุงุฑุฉ ุนู ุงูู probability |
|
|
|
261 |
|
00:18:27,160 --> 00:18:34,780 |
|
of an arbitrary tuple ูู ุงูู data ุงูู 6 ุชุจุนุชู |
|
|
|
262 |
|
00:18:34,780 --> 00:18:36,740 |
|
ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู |
|
|
|
263 |
|
00:18:36,740 --> 00:18:36,820 |
|
ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู |
|
|
|
264 |
|
00:18:36,820 --> 00:18:37,520 |
|
ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู |
|
|
|
265 |
|
00:18:37,520 --> 00:18:40,280 |
|
ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู |
|
|
|
266 |
|
00:18:40,280 --> 00:18:49,560 |
|
ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุนุชู ุชุจุน |
|
|
|
267 |
|
00:18:51,740 --> 00:18:55,960 |
|
ุงูู Probability ููู CDุ ุงูู CI ุนูู ุงูู Dุ ุนูู ูู |
|
|
|
268 |
|
00:18:55,960 --> 00:18:59,300 |
|
Probability ุชุจุน ุงูู data set ุงููู ู
ูุฌูุฏุฉุ ุจูู ุจุณุงุทุฉ |
|
|
|
269 |
|
00:18:59,300 --> 00:19:04,400 |
|
ุฃูุง ูู ุนูุฏู ุชูุช ุนู
ููุงุช ุญุณุงุจูุฉ ูุนู
ููุง ุนุดุงู ุขุฎุฏ ุงูู |
|
|
|
270 |
|
00:19:04,400 --> 00:19:07,560 |
|
decision ู ุฃุญุฏุฏ ู
ู ุงูู test node ุงููู ู
ูุฌูุฏ ุนูุฏู |
|
|
|
271 |
|
00:19:07,560 --> 00:19:11,540 |
|
ุงูุฃูููุ ูุณู
ููุง ุงูู expected information ุฃู ุงูู |
|
|
|
272 |
|
00:19:11,540 --> 00:19:19,260 |
|
entropyุ ููู ููู ุงูู data set ุงููู ู
ูุฌูุฏุฉ ุนูุฏู ููุง |
|
|
|
273 |
|
00:19:19,260 --> 00:19:27,600 |
|
ุดู ูุนููุ ุงูุขู ู
ุทููุจ ู
ูู ุฃู ุฃุญุณุจ ุงูู information ุฃู |
|
|
|
274 |
|
00:19:27,600 --> 00:19:31,140 |
|
ุงูู entropy ููู classes ุงููู ู
ูุฌูุฏุฉ ูู ุงูู data set |
|
|
|
275 |
|
00:19:31,140 --> 00:19:34,700 |
|
ููู ุงูู data setุ ูููุง ุจูุฌู ุณููุ ููุฃูู ุจุฏู ูููู ูู |
|
|
|
276 |
|
00:19:34,700 --> 00:19:40,940 |
|
ุงุญุณุจ ุงุญุชู
ุงููุฉุ ุฃู ุงุญุณุจ ุงูู probability ููู class ูู |
|
|
|
277 |
|
00:19:40,940 --> 00:19:43,880 |
|
ุงูู data setุ ุนุฏุฏ ู
ุฑุงุช ุธููุฑ ุงูู class ูู ุงูู data set |
|
|
|
278 |
|
00:19:43,880 --> 00:19:46,840 |
|
ุงููู ู
ูุฌูุฏุฉ ุนูุฏู ููุงุ ูุจุนุฏ ููู ุจุฑูุญ ุฃุทุจู ุนูููู
|
|
|
|
279 |
|
00:19:46,840 --> 00:19:51,840 |
|
ุงูุนู
ููุฉุ ูุนูู ุฃูุง ูู ููุช ุนูู ุณุจูู ุงูู
ุซุงูุ ุงูู data 6 |
|
|
|
280 |
|
00:19:51,840 --> 00:19:57,580 |
|
ุชุจุนุชู ูููุง ุนุดุฑ elementsุ ุฃุฑุจุนุฉ ู
ููู
yes ูุณุชุฉ ู
ููู
no |
|
|
|
281 |
|
00:19:57,580 --> 00:20:01,040 |
|
ุฃูุง |
|
|
|
282 |
|
00:20:01,040 --> 00:20:04,100 |
|
ูู ุนููู ุจุชููู
ุนูู binary classification yes or no |
|
|
|
283 |
|
00:20:04,100 --> 00:20:10,200 |
|
ุฃุฑุจุนุฉ yes ูุณุชุฉ noุ ุงูู information gained ููู data 6 |
|
|
|
284 |
|
00:20:10,200 --> 00:20:16,720 |
|
ุชุจุนุชู ูููุง ูู ุนุจุงุฑุฉ ุนู ู
ุฌู
ูุน ูุงูุต |
|
|
|
285 |
|
00:20:16,720 --> 00:20:20,600 |
|
ู
ุถุฑูุจุฉ ููู ุงูู probability ุชุจุนุช ุงูู data ุงูุฃููู |
|
|
|
286 |
|
00:20:22,150 --> 00:20:28,310 |
|
ุงุญุชู
ุงู ุงูู class ุงูุฃูู 4 ุนูู 10 ู
ุถุฑูุจุฉ ูู log ุงูู 4 |
|
|
|
287 |
|
00:20:28,310 --> 00:20:33,210 |
|
ุนูู 10 ููุฃุณุงุณ 2ุ ุฒุงุฆุฏ |
|
|
|
288 |
|
00:20:34,590 --> 00:20:40,310 |
|
6 ุนูู 10 ู
ุถุฑูุจุฉ ูู ุงูู logarithm 6 ุนูู 10ุ ุงูู |
|
|
|
289 |
|
00:20:40,310 --> 00:20:44,350 |
|
logarithmุ ุงูู binary logarithmุ ูููุฐุงุ ููุด ุงูููู
ุฉ |
|
|
|
290 |
|
00:20:44,350 --> 00:20:48,030 |
|
ูุชุฏุงูู ุฅุดุงุฑุฉ ุณุงูุจุฉุ ูุฃู ุงูู logarithm ุชุจุนุช ุงูู binary |
|
|
|
291 |
|
00:20:48,030 --> 00:20:52,690 |
|
ุจุชุงุนุฉ ุงููุณู ูุชุทูุน ุนูุฏู ุณุงูุจุ ูุฅุฐุง ุจุชุฐูุฑูุงุ ูู ุนูุฏู |
|
|
|
292 |
|
00:20:52,690 --> 00:21:01,740 |
|
log ุงูู X ุนูู ุงูู Y ุชุณุงูู log X ูุงูุต log Yุ ูุจู
ุง ุฃู ุงูู |
|
|
|
293 |
|
00:21:01,740 --> 00:21:05,200 |
|
Y ุนูุฏู ุฃูุจุฑ ู
ู ุงูู X ูุณุชููู ุงูููู
ุฉ ุงููู ุนูุฏู ุณุงูุจุฉ |
|
|
|
294 |
|
00:21:05,200 --> 00:21:07,880 |
|
ุนุดุงู ุฃูุง ุฃุฎูุต ู
ููุงุ ุฃุฎูุต ู
ููุงุ ููุงูุช ุงูููู
ุฉ ุงููู |
|
|
|
295 |
|
00:21:07,880 --> 00:21:12,360 |
|
ุนูุฏู ููุง ูุชุทูุน ููู
ู
ูุฌุจุฉุ ูุงุถุญ ุงูุฃู
ูุฑ ุฅู ุดุงุก ุงููู |
|
|
|
296 |
|
00:21:12,360 --> 00:21:18,090 |
|
ูุง ุฌู
ุงุนุฉ ุงูุฎูุฑุ ุงูุขู ูุนูู ุฃูู ุดุบูุฉ ูุนููุง ุฃูุง ูุณูููุง |
|
|
|
297 |
|
00:21:18,090 --> 00:21:21,350 |
|
ูุฑูุญ ุฃุญุณุจ ุงูู probability ููู class ุฃู ุจูู ุฌุซูู |
|
|
|
298 |
|
00:21:21,350 --> 00:21:27,670 |
|
ูุญุณุจ ุงูู entropyุ ูู ุนุจุงุฑุฉ ุนู ุญุงุตู .. ุนุจุงุฑุฉ ุนู ู
ุฌู
ูุน |
|
|
|
299 |
|
00:21:27,670 --> 00:21:33,310 |
|
ุญุงุตู ุถุฑุจ ุงูู probability ููู class ูู ุงูู logarithm |
|
|
|
300 |
|
00:21:33,310 --> 00:21:38,830 |
|
ุฃู ุงูู binary log ูู ุงูู probability ูู ุงูู class ุงููู |
|
|
|
301 |
|
00:21:38,830 --> 00:21:41,930 |
|
ู
ูุฌูุฏ ุนูุฏูุ ู ุฒู ู
ุง ุจูููู ุจุงูู .. ุจุงูู .. ุจุงูู .. |
|
|
|
302 |
|
00:21:42,360 --> 00:21:45,340 |
|
ุจุงูู
ุซุงู ูุชุถุญุ ูู
ุงู ุดููุฉ ููุชูู ููู
ุซุงู |
|
|
|
303 |
|
00:21:45,340 --> 00:21:50,740 |
|
ุจุงูุชูุตูู ุฅู ุดุงุก ุงููู ุชุนุงููุ ุงูุฎุทูุฉ ุงููู ุจุนุฏ ููู ุจุฏู |
|
|
|
304 |
|
00:21:50,740 --> 00:21:58,260 |
|
ุฃุฑูุญ ููู attribute Aุ ุฃุญุงูู ูุนููุง ุฃุฌุณู
ุงูู data set |
|
|
|
305 |
|
00:21:58,260 --> 00:22:02,040 |
|
ูู
ุฌู
ูุนุฉ ู
ู ุงูู partitionsุ ุฌุฏุงุด ุนุฏุฏ ุงูู V ูุฐูุ ุฃู ุฌุฏุงุด |
|
|
|
306 |
|
00:22:02,040 --> 00:22:07,420 |
|
ุนุฏุฏ ุงูู partitionsุ ุจุนุฏุฏ ุงูู distinct values ุงููู |
|
|
|
307 |
|
00:22:07,420 --> 00:22:12,630 |
|
ู
ูุฌูุฏุฉ ุนูุฏู ูู ุงูู attributeุ ูุนูู ุงูู age ูุงู ูู |
|
|
|
308 |
|
00:22:12,630 --> 00:22:19,910 |
|
ุนูุฏู ุชูุงุชุฉุ three valuesุ ูุซ ู middle age ู |
|
|
|
309 |
|
00:22:19,910 --> 00:22:23,570 |
|
seniorุ ููุนููุง ุงูู attribute ุงูู age ูู |
|
|
|
310 |
|
00:22:26,960 --> 00:22:30,380 |
|
ุงูู Attribute ุงูู Ageุ ูุซ ู Middle Age ู senior |
|
|
|
311 |
|
00:22:30,380 --> 00:22:33,860 |
|
ูู ุงูู three distinct valuesุ ููุนููุง ุจูุงุก ุนูู ุงูู |
|
|
|
312 |
|
00:22:33,860 --> 00:22:38,600 |
|
attribute ูุฐุงุ ูุฌุณู
ุงูู data set ุชุจุนุชู ูููุง ูู three |
|
|
|
313 |
|
00:22:38,600 --> 00:22:43,860 |
|
.. ูู three subsetsุ ูู three partitionsุ ู
ุน ูู ูุงุญุฏุฉ |
|
|
|
314 |
|
00:22:43,860 --> 00:22:46,600 |
|
ู
ู ุงูู values ุงููู ู
ูุฌูุฏุฉ ุนูุฏู ููุงุ ุนุดุงู ุฃูุง ูุนููุง |
|
|
|
315 |
|
00:22:46,600 --> 00:22:52,190 |
|
ุฃุฑูุญ ุฃุญุณุจ ุงูู information ููู attribute ุงููู ู
ูุฌูุฏุฉ |
|
|
|
316 |
|
00:22:52,190 --> 00:22:56,050 |
|
ุนูุฏูุงุ ุฅูุด ุงูู information ููู attributeุ ุงูู |
|
|
|
317 |
|
00:22:56,050 --> 00:23:01,870 |
|
information ููู attribute ูุณุงูู ุงูู summationุ ุงุญุชู
ุงู |
|
|
|
318 |
|
00:23:01,870 --> 00:23:04,870 |
|
ุงูู element ุงููู ุนูุฏูุ ุฃู ุงูู class ุงููู ู
ูุฌูุฏุฉ ุนูุฏู |
|
|
|
319 |
|
00:23:04,870 --> 00:23:08,310 |
|
ููุง ููู attributeุ ููู ุงูู information ุชุจุนุช ุงูู subset |
|
|
|
320 |
|
00:23:08,310 --> 00:23:12,390 |
|
ุงููู ู
ูุฌูุฏุฉุ ูุนูู ุจูู ุฌุณูู
ุงูู subset ุงูุฌุฏูุฏุฉุ ุฃูุง |
|
|
|
321 |
|
00:23:12,390 --> 00:23:16,770 |
|
ูุดุชุบู ุนูููุงุ ู ุฃุญุณุจูุงุ ุงูู intro b ุงูุณุงุจูุฉุ ุจุนุฏ ู
ุง |
|
|
|
322 |
|
00:23:16,770 --> 00:23:23,570 |
|
ุฃุญุณุจ ุงูู information ููู attributeุ ุงูู gainุ ุงูุงูุญูุงุฒ |
|
|
|
323 |
|
00:23:25,400 --> 00:23:28,740 |
|
ูู ุงูู element ุงููู ู
ูุฌูุฏ ุนูุฏู ููุงุ ุฃู ุงูุชุญุตูู ุงููู |
|
|
|
324 |
|
00:23:28,740 --> 00:23:33,400 |
|
ู
ู
ูู ูุณู
ูู ุงูุชุญุตูู ุงูู aุ ูู ุนุจุงุฑุฉ ุนู ุงูู |
|
|
|
325 |
|
00:23:33,400 --> 00:23:38,760 |
|
information ููู D ุงูุฃูููุ ูุงูุต ุงูู information ุฃู ุงูู |
|
|
|
326 |
|
00:23:38,760 --> 00:23:41,640 |
|
entropy ุชุจุนุช ุงูู attribute ุงููู ุนูุฏูุ ุงูู entropy |
|
|
|
327 |
|
00:23:41,640 --> 00:23:47,180 |
|
ุชุจุนุช ุงูู attribute ุงููู ุนูุฏูุ ูุนูู ุฃูุง ูุนููุง ูุงุฎุฏ |
|
|
|
328 |
|
00:23:47,180 --> 00:23:53,540 |
|
ูุงู ู ูุงููุทุฑุญูู
ู
ู ุจุนุถุ ุจุณ ู
ุง ุชูุณูุด ุฃู ูุนููุง ูุฐู |
|
|
|
329 |
|
00:23:53,540 --> 00:23:59,580 |
|
ูู ููุณูุง ุงููู ูููุ ุจุณ ุนูู different subset ุฃู ุนูู |
|
|
|
330 |
|
00:23:59,580 --> 00:24:03,680 |
|
different data set ุฃู ุจูู ุฌุณููุ ุนูู subset set ุชุจุนุง |
|
|
|
331 |
|
00:24:03,680 --> 00:24:07,320 |
|
ููู values ุงููู ุฌุณู
ุชูุงุ ููู partition ุงููู ุฌุณู
ุชูุง ูููุง |
|
|
|
332 |
|
00:24:07,320 --> 00:24:11,480 |
|
ุงูู attribute ุงููู ุนูุฏูุงุ ุชุนุงููุง ูุฑูุญ ููุง ู ูุดูู |
|
|
|
333 |
|
00:24:11,480 --> 00:24:17,140 |
|
ุงูู
ุซุงู ุงููู ู
ูุฌูุฏ ุนูุฏูุงุ ูููุง ูู ุงูุฎุทูุฉ ุฑูู
ูุงุญุฏุ ูู |
|
|
|
334 |
|
00:24:17,140 --> 00:24:21,600 |
|
ุงูุฎุทูุฉ ุฑูู
ูุงุญุฏุ ูููุง ุฃูุง ุงุชูููุง ุฃู ุฃูุง ูุนููุง ูุฑูุญ |
|
|
|
335 |
|
00:24:21,600 --> 00:24:24,800 |
|
ุฃุญุณุจ ุงูู information gain ุฃู ุงูู entropy ููู ุงูู data |
|
|
|
336 |
|
00:24:24,800 --> 00:24:29,260 |
|
setุ ู
ู
ุชุงุฒุ ุนุดุงู ุฃุญุณุจ ุงูู entropy ููู ุงูู data set |
|
|
|
337 |
|
00:24:29,260 --> 00:24:33,540 |
|
ุจูุฐูุฑุ ูููุง ูู ุนุจุงุฑุฉ ุนู ุงูู summationุ ุณุงูุจ ูุงุญุฏ ูู |
|
|
|
338 |
|
00:24:33,540 --> 00:24:40,160 |
|
ุงูู summation ูู probability ููู I ูู log ูู ุงูู P I |
|
|
|
339 |
|
00:24:40,160 --> 00:24:43,960 |
|
ุงูู probability ููู Iุ ูุฅูุด ูููุงุ ูุงู ุงูู classุ ูุงูู I |
|
|
|
340 |
|
00:24:43,960 --> 00:24:46,920 |
|
ุจูุชุณุงูู ู
ู ูุงุญุฏ ูุนุฏุฏ ุงูู classes ุงููู ู
ูุฌูุฏุฉ |
|
|
|
341 |
|
00:24:46,920 --> 00:24:51,360 |
|
ุญุณุจ ุงูู data set ุงููู ู
ูุฌูุฏุฉ ุนูุฏูุงุ ุญุณุจ ุงูู data set |
|
|
|
342 |
|
00:24:51,360 --> 00:24:53,900 |
|
ุงููู ู
ูุฌูุฏุฉ ุนูุฏูุงุ ุฃูุง ูู ุนูุฏู two different |
|
|
|
343 |
|
00:24:53,900 --> 00:24:58,680 |
|
classesุ only two different classes onlyุ ุงููู ูู
|
|
|
|
344 |
|
00:24:58,680 --> 00:25:05,940 |
|
yes ู noุ ุญุฌู
ุงูู data set ููู ุฌุฏุงุด ูุง ุฌู
ุงุนุฉ ุงูุฎูุฑุ 14 |
|
|
|
345 |
|
00:25:05,940 --> 00:25:11,280 |
|
ุนุฏุฏ ุงูู yes 9ุ ู
ุนูุงุชู ุงูู probability ุชุจุนุชูุง 9 ุนูู 14 |
|
|
|
346 |
|
00:25:13,570 --> 00:25:18,130 |
|
ุงูู Probability ููู Yes 9 ุนูู 14ุ ุทุจ ุนุฏุฏ ุงูู No |
|
|
|
347 |
|
00:25:18,130 --> 00:25:24,810 |
|
ุจุฌูุชูุง 5ุ 5 ุนูู 14ุ ูู ุงูุงุญุชู
ุงููุฉ ุชุจุนุชูุง 5 ุนูู 14 |
|
|
|
348 |
|
00:25:24,810 --> 00:25:31,190 |
|
ูุจุงูููู ุฃูุง ุญุตูุช ุนูู ุฃูู ุฎุทูุฉุ ุงููู ูู ุนุฑูุช ุงูู |
|
|
|
349 |
|
00:25:31,190 --> 00:25:34,790 |
|
probability ุชุจุนุช ูู classes ุงููู ู
ูุฌูุฏุฉ ุนูุฏูุ ุงููู |
|
|
|
350 |
|
00:25:34,790 --> 00:25:37,570 |
|
ูู ุงูู probability ููู yes ู ุงูู probability ููู no |
|
|
|
351 |
|
00:25:37,570 --> 00:25:40,030 |
|
ุงูุฎุทูุฉ ุงูุชุงููุฉ ุงููู ุงูู
ูุฑูุถ ุฃู ุฃูุง ุฃุดุชุบู ุนูููุง |
|
|
|
352 |
|
00:25:40,030 --> 00:25:43,410 |
|
ุงูุขูุ ุฃู ุฃูุง ุจุฏู ุฃุฑูุญ ุฃุญุณุจ ุงูู information ุฃู ุงูู |
|
|
|
353 |
|
00:25:43,410 --> 00:25:48,210 |
|
entropy ุชุจุนุชูุ ุจุงูู
ุนุงุฏูุฉ ุงูุชุงููุฉุ ุงูู information |
|
|
|
354 |
|
00:25:48,210 --> 00:25:57,610 |
|
ููุฑู
ุฒููุง ููู I ููู data set ุชุจุนุชูุ ุชุณุงูู ุชุณุงูู |
|
|
|
355 |
|
00:25:59,800 --> 00:26:04,940 |
|
Iุ ุชุณุนุฉ ููู
ุง ุฎู
ุณุฉุ ุชุณุนุฉ ูุฎู
ุณุฉุ ูุฏูู ูู
ุงูุฃุฑุจุนุฉ ุนุดุฑ |
|
|
|
356 |
|
00:26:04,940 --> 00:26:07,660 |
|
ุชุจุนูุชู ูุง ุฌู
ุงุนุฉ ุงูุฎูุฑุ ุงูุขูุ ูู ุงููุงููู ุชุจุน ุงูู |
|
|
|
357 |
|
00:26:07,660 --> 00:26:12,580 |
|
informationุ ููู ุจููุฒู
ูู ูููุง ุฃู ุฃุนุฑู ุงูู |
|
|
|
358 |
|
00:26:12,580 --> 00:26:16,020 |
|
probability ููู yes ู ุงูู probability ููู noุ ููุฐุง |
|
|
|
359 |
|
00:26:16,020 --> 00:26:24,260 |
|
ุงูููุงู
ูุณุงููุ ู
ุง ูุต ู
ุถุฑูุจุฉ ููู ูุงู
classุ and two |
|
|
|
360 |
|
00:26:24,260 --> 00:26:27,790 |
|
classุ ูููู
ูุฏููุ ูู ูุงููุง ุชูุงุชุฉ ููููููุง ุชูุงุชุฉุ ูู |
|
|
|
361 |
|
00:26:27,790 --> 00:26:32,130 |
|
ุฃุฑุจุนุฉ ููููููุง ุฃุฑุจุนุฉุ ุฅูู ุขุฎุฑูุ ู
ุน ูู ูุงุญุฏุฉ ูููู
ุ ุงูุขู |
|
|
|
362 |
|
00:26:32,130 --> 00:26:36,270 |
|
ุชุณุนุฉ ุนูู ุฃุฑุจุนุฉ ุนุดุฑุ ูู ุชุจุนุช ุงูู class ุงูุฃูู ุงููู |
|
|
|
363 |
|
00:26:36,270 --> 00:26:42,030 |
|
ุจูู ุฌุซููุ ุฅุญูุง ูููุง ุงูู yes ู
ุถุฑูุจุฉ ูู ุงูู binary |
|
|
|
364 |
|
00:26:42,030 --> 00:26:48,970 |
|
logarithm ููุชุณุนุฉ ุนูู ุฃุฑุจุนุฉ ุนุดุฑุ ู
ุฌู
ูุนุฉ ููู
ู
ุฌู
ูุนุฉ |
|
|
|
365 |
|
00:26:48,970 --> 00:26:54,010 |
|
ุงูุฎู
ุณุฉ ุชุจุนุชูุงุ ุงูุฎู
ุณุฉ ุชุจุนุช ุงูู noุ ุฎู
ุณุฉ ุนูู ุฃุฑุจุนุฉ ุนุดุฑ |
|
|
|
366 |
|
00:26:54,010 --> 00:27:01,670 |
|
ู
ุถุฑูุจุฉ ูู ุงูู logarithmุ ุงูู binary logarithmุ ุงูุฎู
ุณุฉ |
|
|
|
367 |
|
00:27:01,670 --> 00:27:07,950 |
|
ุนูู ุฃุฑุจุนุฉ ุนุดุฑุ ูุฐุง ุงูู gain ุชุจุนุช ูู ุงูู data set |
|
|
|
368 |
|
00:27:07,950 --> 00:27:11,230 |
|
ุชูุฒูุนุช ุงูู data set ุนูุฏู ุนูู two classesุ ุชุฐูุฑ ูู
ุงู |
|
|
|
369 |
|
00:27:11,230 --> 00:27:17,750 |
|
ู
ุฑุฉ ูุงุญุฏุฉุ ุงุชูููุ ุชูุงุชุฉุ ุฃุฑุจุนุฉุ ุฎู
ุณุฉ noุ ุฎู
ุณุฉ ู
ู ุฃุฑุจุนุฉ |
|
|
|
370 |
|
00:27:17,750 --> 00:27:21,290 |
|
ุนุดุฑุ ู
ุนูุงุชู ุนูุฏู ุชุณุนุฉ yesุ ูุงูุขู ููููุงุ ูู ูุงููููู
|
|
|
|
371 |
|
00:27:21,290 --> 00:27:25,670 |
|
ูุงููู ุงูู information ุฃู ุงูู gainุ ุนููุงุ ุงูู entropy ููู |
|
|
|
372 |
|
00:27:25,670 --> 00:27:30,730 |
|
data set ูู ุนุจุงุฑุฉ ุนู ุณุงูุจ ูุงุญุฏ ู
ุถุฑูุจุฉ ูู ู
ุฌู
ูุน ูู |
|
|
|
373 |
|
00:27:30,730 --> 00:27:35,410 |
|
probability ููู class ู
ุถุฑูุจุฉ ูู ุงูู log ูู log ูู |
|
|
|
374 |
|
00:27:35,410 --> 00:27:38,650 |
|
probability ููู classุ ูุฃูุง ููุง ุญุณุจุช ุงูู
ุนุงุฏูุฉ ุงููู |
|
|
|
375 |
|
00:27:38,650 --> 00:27:40,670 |
|
ู
ูุฌูุฏุฉ ุนูุฏูุ ูุชุธูุฑ ู
ู ุฎูุงู |
|
|
|
376 |
|
00:27:43,770 --> 00:27:51,650 |
|
ุณูุงูุฏ ููุงุ ููุฐู |
|
|
|
377 |
|
00:27:51,650 --> 00:27:59,370 |
|
ููู
ุชูุง 0.94 ุฃู ุฃุฑุจุนุฉ ูุชุณุนูู ู
ู ู
ูุฉุ ูุฐู |
|
|
|
378 |
|
00:27:59,370 --> 00:28:03,130 |
|
ุซุงุจุชุฉ ูุชููู ููู ุงูู data setุ ููู training set ุงููู |
|
|
|
379 |
|
00:28:03,130 --> 00:28:06,830 |
|
ุฃูุง ุจุจูู ุนูููุง ุงูู modelุ ู
ู
ุชุงุฒุ ุฃูุง ู
ุดูุช ุฃูู ุฎุทูุฉ ูู |
|
|
|
380 |
|
00:28:06,830 --> 00:28:12,030 |
|
ุงูุญูุ ุงูุฎุทูุฉ ุงูุชุงููุฉ ุฃู ุฃูุง ูุนููุง ุจุฏู ุฃุฑูุญุ ุฃู ุงุชููู |
|
|
|
381 |
|
00:28:16,020 --> 00:28:22,480 |
|
ุฃุจุฏุฃ ุฃุญุณุจ ุงูู information ููู attribute ู
ูุฌูุฏ ูู ุงูู |
|
|
|
382 |
|
00:28:22,480 --> 00:28:28,200 |
|
data setุ ููู attributeุ ุตุญูุญุ ููุฃุฎุฏ ุฃุญุณุจ ุงูู intro |
|
|
|
383 |
|
00:28:28,200 --> 00:28:33,140 |
|
ุจุงูุฅู ุฃู ุงูู information gain ููู ageุ ูุฃุญุณุจ ุงูู |
|
|
|
384 |
|
00:28:33,140 --> 00:28:39,490 |
|
information Gain ููู incomeุ ููู studentุ ููู credit |
|
|
|
385 |
|
00:28:39,490 --> 00:28:45,670 |
|
ratingุ ูููุฐุงุ ุฎูููู ุฃูุง ุฃุจุฏุฃ ู
ุนุงูู
ูุฃุฐูุฑูู
ุฃู |
|
|
|
386 |
|
00:28:45,670 --> 00:28:48,670 |
|
ุฃูุง ูุนููุง ุจุญุณุจ ุงูู information gain ููู attribute |
|
|
|
387 |
|
00:28:52,790 --> 00:28:56,270 |
|
ุชุจุน ุนูู ุงูู data set ุงููู ู
ูุฌูุฏุฉ ุนูุฏูุงุ ูุฃู ุงูู |
|
|
|
388 |
|
00:28:56,270 --> 00:28:59,750 |
|
summation ุนูู ุนุฏุฏ ุงูู partitionsุ ุงูู summationุ ุงูู V |
|
|
|
389 |
|
00:28:59,750 --> 00:29:02,830 |
|
ุฒู ู
ุง ูููุง ูุจู ุดููุฉุ ูููุงุ ุงููู ูู ุนุฏุฏ ุงูู partitions |
|
|
|
390 |
|
00:29:02,830 --> 00:29:08,650 |
|
ุงููู ุนูุฏูุงุ number of partitionsุ ุญุฌู
|
|
|
|
391 |
|
00:29:08,650 --> 00:29:12,850 |
|
ุงูู partition ููู data setุ ุนุฏุฏ ุนูุงุตุฑ ุงูู partition |
|
|
|
392 |
|
00:29:12,850 --> 00:29:16,290 |
|
ุนูู ุนุฏุฏ ุนูุงุตุฑ ุงูู data setุ ratioุ ุงุญุชู
ุงู ููุง ูุฃุ |
|
|
|
393 |
|
0 |
|
|
|
445 |
|
00:34:25,000 --> 00:34:30,520 |
|
ููุงู ููุฏ ุงููู ุงูู
ูุฑูุถ ุชุณุงูู ูุงูุต ู
ุถุฑูุจุฉ ููู ุซูุงุซุฉ |
|
|
|
446 |
|
00:34:30,520 --> 00:34:37,040 |
|
ุนูู ุฎู
ุณุฉ ูู ุงูู log ุฃููุฉ ุฌุฏุงุด ูู ุงูู binary log ุตุญูุญ |
|
|
|
447 |
|
00:34:37,040 --> 00:34:43,800 |
|
ุซูุงุซุฉ ุนูู ุฎู
ุณุฉ ุฒุงุฆุฏ ุงุซููู ุนูู ุฎู
ุณุฉ ูู ุงูู log ุงุซููู ุนูู |
|
|
|
448 |
|
00:34:43,800 --> 00:34:49,600 |
|
ุฎู
ุณุฉ ูุฐู ุงูู intro ุจุงูุฃููู ูุฐู ุฌู
ุนุฉ ุงูุฎูุฑ ุตูุฑ ููุด |
|
|
|
449 |
|
00:34:49,600 --> 00:34:59,080 |
|
ูุงูุต ุฃุฑุจุนุฉ ุนูู ุฎู
ุณุฉ ุฃุฑุจุนุฉ ุนูู ุฎู
ุณุฉ ุฃุฑุจุนุฉ ุนูู ุฎู
ุณุฉ |
|
|
|
450 |
|
00:34:59,080 --> 00:35:07,160 |
|
ุฃุฑุจุนุฉ ุนูู ุฃุฑุจุนุฉ sorry ุฃุฑุจุนุฉ ุนูู ุฃุฑุจุนุฉ ูู ุงูู log ุงูู |
|
|
|
451 |
|
00:35:07,160 --> 00:35:13,210 |
|
binary ููู ุฃุฑุจุนุฉ ุนูู ุฃุฑุจุนุฉ ุงููู ูู ูุงุญุฏ ุตูุฑ ุฒุงุฆุฏ ุตูุฑ |
|
|
|
452 |
|
00:35:13,210 --> 00:35:21,090 |
|
ุนูู ุฃุฑุจุนุฉ ูู ุงูู log ุตูุฑ ุนูู ุฃุฑุจุนุฉ ูู
ู ุซู
ุงูููู
ุฉ ูุฐู |
|
|
|
453 |
|
00:35:21,090 --> 00:35:24,430 |
|
ูุชุฑูุญ ุนูุฏู ููุฐู ูู ููุณ ุงููู ููู ุจุณ ู
ุน ุชุบููุฑ ุงูู |
|
|
|
454 |
|
00:35:24,430 --> 00:35:30,110 |
|
terms ุงููู ู
ูุฌูุฏุฉ ุนูุฏูุง ุจููุณ ุงูุญุณุจุฉ ูุจุงูุชุงูู ุฃูุง |
|
|
|
455 |
|
00:35:30,110 --> 00:35:33,450 |
|
ุญุณุจุชูุง ูู ุงูุฌุฏูู ูุทูุนุช ู
ุนุงูุง ูููุง |
|
|
|
456 |
|
00:35:39,160 --> 00:35:43,280 |
|
ุฎูุตุชุ ูุฃ ูุณู ู
ุฎูุตุด ุจูุงู ุนูู ุฎุทูุฉ ูุงุญุฏุฉ ุนุดุงู ุฃุนุฑู |
|
|
|
457 |
|
00:35:43,280 --> 00:35:51,340 |
|
ุฃู ุงูู gain ุชุจุนุช ุงูู age ุฌุฏุงุด ุจุฏู ุฃุฑูุญ ุฃูููู ุงูู gain |
|
|
|
458 |
|
00:35:51,340 --> 00:35:56,140 |
|
ุชุจุนุช ุงูู data set ุงููู ูููุง ุงููู ูู ุฌู
ุน ุงูู i ููุชุณุนุฉ |
|
|
|
459 |
|
00:35:56,140 --> 00:36:02,380 |
|
ูุฎู
ุณุฉ ุญุณุจูุงูุง point ุชุณุนุฉ ุฃุฑุจุนุฉ ุตูุฑ ูู ุงูู slide |
|
|
|
460 |
|
00:36:02,380 --> 00:36:03,020 |
|
ุงูุณุงุฏู ูู |
|
|
|
461 |
|
00:36:06,330 --> 00:36:10,670 |
|
ูู
ุง ุญุณุจูุงูุง ููุง ููู ุงูู data set ุงูู gain ุฃู ุงูู |
|
|
|
462 |
|
00:36:10,670 --> 00:36:13,470 |
|
intro ููู ุงูู data set ุญุณุจุช ุงูุขู ุงูู intro ูู ุงูู age |
|
|
|
463 |
|
00:36:13,470 --> 00:36:19,210 |
|
ูููุง ุงูุขู ุงูุฎุทูุฉ ุงููู ูุดุชุบู ุนูููุง ุฃูู ุจุฏู ุฃุฌูุจ ุงูู |
|
|
|
464 |
|
00:36:19,210 --> 00:36:23,510 |
|
information gain ููู ูุงุญุฏ ูููู
ุทุจุนุง ุงูู
ูุฑูุถ ุฃูุง |
|
|
|
465 |
|
00:36:23,510 --> 00:36:27,350 |
|
ู
ู
ูู ุฃุดุชุบู ุงูุฎุทูุฉ ูุงู ุชุจุงุนุง ุฃุฌุฑูุญ ุฃูููู ู
ุจุงุดุฑุฉ ุงูุขู |
|
|
|
466 |
|
00:36:27,350 --> 00:36:35,550 |
|
ุงูู information gain ููู age ุชุณุงูู |
|
|
|
467 |
|
00:36:36,360 --> 00:36:40,700 |
|
ุฃู ุงูู Gain ููู Age ุชุณุงูู ุงูู Entropy ููู ุงูู data |
|
|
|
468 |
|
00:36:40,700 --> 00:36:46,120 |
|
set ูุงูุต ุงูู Entropy ุชุจุน ุงูู Age ุงูู |
|
|
|
469 |
|
00:36:46,120 --> 00:36:53,940 |
|
Gain ููู Age ุชุณุงูู ุงูู Entropy ููู data set 0.94 ูุงูุต |
|
|
|
470 |
|
00:36:53,940 --> 00:37:02,900 |
|
ุงูู Entropy ูู ุงูู Age ุงููู ู
ูุฌูุฏ ุนูุฏู 0.694 ุชุณุงูู ุทุจุนุง |
|
|
|
471 |
|
00:37:02,900 --> 00:37:06,620 |
|
ู
ู
ูู ุชุดุชุบู ุงูุฎุทูุฉ ุงูุชุงููุฉ ุชุดุชุบู ู
ุน ุงูู income ุจููุณ |
|
|
|
472 |
|
00:37:06,620 --> 00:37:09,200 |
|
ุงูู concept ุงูู income ูู ุนูุฏู ุจุฑุถู .. ุจุฑุถู ููุง ูู |
|
|
|
473 |
|
00:37:09,200 --> 00:37:12,420 |
|
ุนูุฏู three different values ุงูู income ูู ุนูุฏู |
|
|
|
474 |
|
00:37:12,420 --> 00:37:16,340 |
|
three different values high ู medium ู low |
|
|
|
475 |
|
00:37:16,340 --> 00:37:19,840 |
|
ุชูุฒูุนุชูู
ุจููุณ ุงูููููุฉ ูุจุญุณุจ ุงูู entropy ูู ุงูู yes ู |
|
|
|
476 |
|
00:37:19,840 --> 00:37:28,780 |
|
ุงูู no ูููุฐุง ูู ุญุณุจุช ุงูู entropy ูู ุงูู ..Informat .. |
|
|
|
477 |
|
00:37:28,780 --> 00:37:32,880 |
|
ููู income ุงูู intro ุจู ูู ุงูู student ุงูู intro ุจู ูู |
|
|
|
478 |
|
00:37:32,880 --> 00:37:39,660 |
|
ู
ูู ูู ุงูู credit rating ุงูุขู ุฎุทูุฉ ุชุงููุฉ ูุฑูุญ ุฃุญุณุจ |
|
|
|
479 |
|
00:37:39,660 --> 00:37:45,500 |
|
ุงูู information gain ุฃู ุงูู gain ุชุจุนุช ุงูู age ู ุงูู |
|
|
|
480 |
|
00:37:45,500 --> 00:37:50,660 |
|
gain ุชุจุนุช ููุง ูู slides ู
ูููุฏุฉ ุงูู
ูุฑูุถ ุฃูุง ุดููู |
|
|
|
481 |
|
00:37:50,660 --> 00:37:54,420 |
|
ูุณูุชูุง ุฃู ู
ุง ุดุงุจู ูุฃ ูู ููุณ ุงูู .. okay ุจุณ ู
ุด ู
ูุตูุฉ |
|
|
|
482 |
|
00:37:54,420 --> 00:38:01,550 |
|
ูุญุณุจุช ุงูู gain ููู age ุงูู gain ููู age ูู |
|
|
|
483 |
|
00:38:01,550 --> 00:38:08,250 |
|
ุนุจุงุฑุฉ ุนู ุงูู entropy ููู ุงูู data 0.694 ูุงูุต ุงูู |
|
|
|
484 |
|
00:38:08,250 --> 00:38:13,450 |
|
entropy ุชุจุนุช ุงูู age ุงููู ูู 0.694 ู
ู ุงูุฃูู ูููููู |
|
|
|
485 |
|
00:38:13,450 --> 00:38:19,370 |
|
ุงููุฑู ุจูููู
0.246 ู
ู ุงูุฃูู ู ุฑูุญุช ุญุณุจุช ุงูู income ุฃู ุงูู |
|
|
|
486 |
|
00:38:19,370 --> 00:38:25,090 |
|
gain ููู income ุงูู gain ููู student ู ุงูู gain ููู |
|
|
|
487 |
|
00:38:25,090 --> 00:38:29,630 |
|
credit rating ูุงุญุธ ุงูู credit rating ุฃูู ู
ุง ูู
ูู |
|
|
|
488 |
|
00:38:29,630 --> 00:38:36,270 |
|
ุฃูู ุฃุตุบุฑ ูุงุญุฏุฉ ู
ู ุงูุนูุงุตุฑ ุงูู
ูุฌูุฏุฉ ุนูุฏู ุฃูู |
|
|
|
489 |
|
00:38:36,270 --> 00:38:40,830 |
|
ูุงุญุฏุฉ ู
ุน ุงูู income ู
ุงููุงุด ูุงู ููุงุด ุฃูู ุชุฃุซูุฑุง |
|
|
|
490 |
|
00:38:42,420 --> 00:38:47,460 |
|
ุงูููุฑุฉ ุฃู ุฃูุง ุจุฏู ุฃุฑูุญ ุขุฎุฐ ุฃู ุจุฏู ุฃุนู
ู split ุนูู |
|
|
|
491 |
|
00:38:47,460 --> 00:38:56,160 |
|
ุงูู maximum gain ููู attributes ู
ูู |
|
|
|
492 |
|
00:38:56,160 --> 00:39:05,760 |
|
ุงูู maximumุ ูู ูุฃู 0.246 ู
ู 1000 ุฃูุจุฑ ู
ู ุฃูุจุฑ ููู
ุฉ |
|
|
|
493 |
|
00:39:05,760 --> 00:39:09,680 |
|
ู
ูุฌูุฏุฉ ูููู
ุงููู ูู ููุง ู
ุน ุงูู student ููุฐุง ุจุชุนุทููู |
|
|
|
494 |
|
00:39:09,680 --> 00:39:12,040 |
|
ุฅุดุงุฑุฉ ุฃู ู
ู
ูู ุงูู student ุชููู ูู ุงูู next element |
|
|
|
495 |
|
00:39:12,040 --> 00:39:14,920 |
|
ุงููู ุฃูุญู
ู ุนููู splitting ููู ู
ุด ูุถูุชู ูู ุงูุขุฎุฑ |
|
|
|
496 |
|
00:39:14,920 --> 00:39:26,420 |
|
ุฃูุง ูุงู ุงูุขู ุงูุขู ุงูู data set ูุฑุฌุน ููุง ุงูู |
|
|
|
497 |
|
00:39:26,420 --> 00:39:30,660 |
|
data set ุงูุขู ููุนู
ููุง partitioning ูู ุงูู data set |
|
|
|
498 |
|
00:39:30,660 --> 00:39:37,180 |
|
ููู ุงูู partition ุชุจุนุชูุ ุจูุจูู ุฅูู ูุงู ูู ุฃู ุงูู age |
|
|
|
499 |
|
00:39:37,180 --> 00:39:43,030 |
|
ูู ูุชููู ุงูุฃุณุงุณ ูู ุงูู rows ุงูู
ุญุงุทุฉ ุจุงูููู ุงูุฃุญู
ุฑ ูุฐู |
|
|
|
500 |
|
00:39:43,030 --> 00:39:49,510 |
|
ุฃู ุจูู ููุณูู ุชุจุนุช ุงูู youth ูุชู
ุซู |
|
|
|
501 |
|
00:39:49,510 --> 00:39:56,030 |
|
one data set ุฎู
ุณุฉ |
|
|
|
502 |
|
00:39:56,030 --> 00:40:00,950 |
|
rows ุชู
ุงู
ุ |
|
|
|
503 |
|
00:40:00,950 --> 00:40:05,930 |
|
ุจุนุฏ ููู ุงูู middle age ูุญุงููู
ุงููู ุจุงูููู ุงูุฃุฒุฑู |
|
|
|
504 |
|
00:40:05,930 --> 00:40:07,010 |
|
ุนู
ุงูู ุจุฃุญูุท ุนูููู
|
|
|
|
505 |
|
00:40:15,180 --> 00:40:19,840 |
|
ูุฏููุฉ ุฃุฑุจุนุฉ .. ุฃุฑุจุนุฉ ูุถููุง ุงูู senior ุงูุนูุงุตุฑ |
|
|
|
506 |
|
00:40:19,840 --> 00:40:23,460 |
|
ุงูุจุงููุฉ ูุนูู ุจูู ููุณูู ุฃู ุงูู data set ุจูู ูุชูุฌุณู
|
|
|
|
507 |
|
00:40:23,460 --> 00:40:28,020 |
|
ุงูุขู ุจุนุฏ ู
ุง ุฃุฎุฏุช ุงูู root ุฃูุง ูููุง ุจููู ุงูู age ูู |
|
|
|
508 |
|
00:40:28,020 --> 00:40:32,220 |
|
ุงูุฃุณุงุณ ูุฃู ูู ุตุงุญุจุฉ ุงูุฃูุจุฑ gain ูููุง ูุจุฏู ุฃุฌุณู
ุงูู |
|
|
|
509 |
|
00:40:32,220 --> 00:40:35,000 |
|
data set ุจูู ููู three values ุงููู ู
ูุฌูุฏุฉ ุนูุฏู ูุนูู |
|
|
|
510 |
|
00:40:35,000 --> 00:40:38,940 |
|
ุงูู youth ู ุงูู middle age ู ุงูู senior ู
ู
ุชุงุฒ |
|
|
|
511 |
|
00:40:44,580 --> 00:40:48,980 |
|
ุฌุณู
ูุงูู
ูุฐู ุงูู data set ุงููู ู
ูุฌูุฏุฉ ุนูุฏู ุงูุขู ุนูู |
|
|
|
512 |
|
00:40:48,980 --> 00:40:54,480 |
|
ุงูุณุฑูุน ุดู ูุฑูุญ ุฃุณุงูู ูุงุฎุฏ ูู data set ูุฃู ูุงุญุธ ุฃู |
|
|
|
513 |
|
00:40:54,480 --> 00:40:56,040 |
|
ุนู
ูุฏ ุงูู student ุงุฎุชูุช |
|
|
|
514 |
|
00:40:58,670 --> 00:41:03,170 |
|
ุนู
ูุฏ ุงูู age ุงุฎุชูุช ..ุนู
ูุฏ ุงูู age ุงุฎุชูุช ..ุงูุขู ูู |
|
|
|
515 |
|
00:41:03,170 --> 00:41:08,270 |
|
ูุงุญุฏุฉ ู
ู ุงูู data set ูุดุชุบู ุนูููุง ุจุดูู ู
ุณุชูู ูุญุฏ ู
ุง |
|
|
|
516 |
|
00:41:08,270 --> 00:41:13,150 |
|
ุฃุญูู ูุงุญุฏ ู
ู ุงูุดุฑูุท ุงูุซูุงุซุฉ ุฃู
ุง ูุนููุง ูู ุงูู |
|
|
|
517 |
|
00:41:13,150 --> 00:41:17,690 |
|
attributes ุฃู ูู ุงูู symbols ุชูุชู
ู ูููุณ ุงูู class ุฃู |
|
|
|
518 |
|
00:41:17,690 --> 00:41:21,290 |
|
ู
ุง ุถูุด ููู ุนูุฏู more attributes ุฃูุง ุฌุณู
ูุง ุฃู ู
ุง ุถูุด |
|
|
|
519 |
|
00:41:21,290 --> 00:41:24,450 |
|
ููู ุนูุฏู rows ุจุนุฏ ููู ูุนูู ุจูู ููุณูู ุญุงุฌุฉ ููุง ุงูุขู |
|
|
|
520 |
|
00:41:24,450 --> 00:41:28,890 |
|
ููุดุชุบู ุนูููุง ุจุดูู ู
ุณุชูู ูุฐู ุงูุขู new data set |
|
|
|
521 |
|
00:41:28,890 --> 00:41:34,490 |
|
ูุฃุญุณุจ ููุง information ูู
ููุ ูุฐู ูููุง ุฎู
ุณ ุนูุงุตุฑ ุงุซููู |
|
|
|
522 |
|
00:41:34,490 --> 00:41:39,330 |
|
ูุซูุงุซุฉ ูุฐู ุงูู information ุงููู ุฃุฏูู ูููุง ุงูู ID |
|
|
|
523 |
|
00:41:39,330 --> 00:41:42,630 |
|
ุชุจุนุชู I |
|
|
|
524 |
|
00:41:43,610 --> 00:41:49,410 |
|
ุซูุง .. ุงุซููู ููู yes ูุซูุงุซุฉ ููู no ููุฐุง ูุณุงูู ุณุงูุจ ูู |
|
|
|
525 |
|
00:41:49,410 --> 00:41:55,770 |
|
ู
ุฌู
ูุน .. ูู ู
ุฌู
ูุน ุฃู ุจูุงุด ูุญุท ุงูู
ุฌู
ูุน ูููุง ุงุซููู |
|
|
|
526 |
|
00:41:55,770 --> 00:42:02,790 |
|
ุนูู ุฎู
ุณุฉ ูู ุงูู log ุงุซููู ุนูู ุฎู
ุณุฉ ุฒุงุฆุฏ ุซูุงุซุฉ ุนูู ุฎู
ุณุฉ |
|
|
|
527 |
|
00:42:02,790 --> 00:42:09,060 |
|
ูู ุงูู log ุซูุงุซุฉ ุนูู ุฎู
ุณุฉ ูุฐู ุงูู
ุนููู
ุงุช ููู ุงูู data set |
|
|
|
528 |
|
00:42:09,060 --> 00:42:12,940 |
|
ูุฐู as all ู
ู
ุชุงุฒ ุงูุขู ูู
attribute ู
ูุฌูุฏ ุนูุฏูุ |
|
|
|
529 |
|
00:42:12,940 --> 00:42:16,060 |
|
ุนูุฏู three different attributes ุนูุฏู ุงูู income ู |
|
|
|
530 |
|
00:42:16,060 --> 00:42:19,500 |
|
ุนูุฏู ุงูู age ุนููุง ุงูู student ู ุงูู credit rating |
|
|
|
531 |
|
00:42:19,500 --> 00:42:23,640 |
|
ูุฑูุญ ุฃุญุณุจ ุงูู information ูู
ููุ ูุฑูุญ ุฃุจุฏุฃ ุฃุจูู |
|
|
|
532 |
|
00:42:23,640 --> 00:42:27,500 |
|
ุงูุฌุฏูู ุงูุขู ููู attribute ุงูุฃูู ู
ุด ุงุชูููุง ููู ูุดุชุบู |
|
|
|
533 |
|
00:42:27,500 --> 00:42:31,360 |
|
ู
ุน ูู ุฌุฏูู ุนูู ุงูุณุฑูุน ุฃูุง ูุดุชุบู ุจุณ ู
ุน ูุฐู ูุงูุฎุทูุฉ |
|
|
|
534 |
|
00:42:31,360 --> 00:42:34,900 |
|
ุงูุซุงููุฉ ุญุงุทุทูุง ููุจุงููุฉ ุญุงุทุทูุง ููุงุฌุจ ุงูุขู |
|
|
|
535 |
|
00:42:37,170 --> 00:42:42,950 |
|
ู
ุน ุงูุนู
ูุฏ ุงูุฃูู ุงูู income ููุช |
|
|
|
536 |
|
00:42:42,950 --> 00:42:49,250 |
|
ุงูู value ุชุจุนุช ุงูู income ุจุนุฏ ููู ูู ุนูุฏู ุงูู yes |
|
|
|
537 |
|
00:42:49,250 --> 00:42:55,150 |
|
ูุนูุฏู ุงูู no ูุนูุฏู ุงูู intro ุจูุง ุงูู yes ูุงูู no ุจูุงุก |
|
|
|
538 |
|
00:42:55,150 --> 00:42:59,090 |
|
ุนูู ุงูุนุฏุฏ ุงููู ู
ูุฌูุฏ ุนูุฏู ูุจุงูุชุงูู ูู
value ู
ูุฌูุฏ |
|
|
|
539 |
|
00:42:59,090 --> 00:43:05,010 |
|
ุนูุฏู ุฃูุง ููุง ุนูุฏู low ู medium ู high ูู |
|
|
|
540 |
|
00:43:05,010 --> 00:43:05,290 |
|
low |
|
|
|
541 |
|
00:43:08,440 --> 00:43:16,120 |
|
medium ู high ุนุฏ ุงูุนูุงุตุฑ ุงูู
ูุฌูุฏุฉ ู
ุน ุจุนุถูุง ุงูุขู ู
ุน |
|
|
|
542 |
|
00:43:16,120 --> 00:43:24,500 |
|
ุงูู low ุนูุฏู ููู
ุฉ ูุงุญุฏุฉ ููุท ูู
ูู ุจุชูุชู
ู ููู yes ูุงุญุฏ |
|
|
|
543 |
|
00:43:24,500 --> 00:43:33,560 |
|
yes ูููุง ุตูุฑ ู
ุนูุงุชู ุงูู entropy ููุงุญุฏ ูุตูุฑ ุขุฌู |
|
|
|
544 |
|
00:43:33,560 --> 00:43:35,780 |
|
ูู ุงูู medium medium ุนูุฏู ุงุซููู |
|
|
|
545 |
|
00:43:43,250 --> 00:43:50,310 |
|
ูุงุญุฏ yes ููุงุญุฏ no ู
ุนูุงุชู entropy ููุงุญุฏ ููุงุญุฏ ูุถู |
|
|
|
546 |
|
00:43:50,310 --> 00:43:53,950 |
|
ูู ุนูุฏู high ุงุซููู ูุจููุชู
ูุง ูููุณ ุงูู class |
|
|
|
547 |
|
00:43:53,950 --> 00:43:59,710 |
|
ู
ุนูุงุชู ุตูุฑ ูุงุซููู entropy ูุตูุฑ ูุงุซููู ููุฐุง ุจุฐูุฑ ุฃู |
|
|
|
548 |
|
00:43:59,710 --> 00:44:03,650 |
|
ูุฐุง ุงููุงููู ุงูุณุงุจู ุงููู ุงุนุชู
ุฏุช ุนููู ุญุตู ุจุญุณุจ ุงูู |
|
|
|
549 |
|
00:44:03,650 --> 00:44:08,810 |
|
gain ุงูุขู ุฃู ุจุญุณุจ ุงูู information ููู attribute ุงููู |
|
|
|
550 |
|
00:44:08,810 --> 00:44:15,860 |
|
ู
ูุฌูุฏ ุนูุฏู ู
ู ุฎูุงู ุงูู summation ูู
ุงู ู
ุฑุฉ ุนุฏุฏ ุงูู |
|
|
|
551 |
|
00:44:15,860 --> 00:44:21,840 |
|
data set ุฒู ู
ุง ูููุง ุฌุฏุงุด ุฌู
ุนุฉ ุงูุฎูุฑ ุฎู
ุณุฉ ุงูุขู |
|
|
|
552 |
|
00:44:21,840 --> 00:44:31,420 |
|
ูุงุญุฏ ุนูู ุฎู
ุณุฉ ูู ุงูู I ูุงุญุฏ ูุตูุฑ ุฒุงุฆุฏ ูุฐู ุงูู |
|
|
|
553 |
|
00:44:31,420 --> 00:44:40,050 |
|
information ุงุซููู ุนูู ุฎู
ุณุฉ ูู ุงูู I ูุงุญุฏ ููุงุญุฏ ุฒุงุฆุฏ |
|
|
|
554 |
|
00:44:40,050 --> 00:44:49,530 |
|
ุงุซููู ุนูู ุฎู
ุณุฉ ุงุซููู ุนูู ุฎู
ุณุฉ ุตุญูุญ ุงุซููู ุนูู ุฎู
ุณุฉ |
|
|
|
555 |
|
00:44:49,530 --> 00:44:58,530 |
|
ูู ุงูู I ุตูุฑ |
|
|
|
556 |
|
00:44:58,530 --> 00:45:04,690 |
|
ูุงุซููู ุจุญุตู ุนูู ุงูู information gain ุงููู ู
ูุฌูุฏ |
|
|
|
557 |
|
00:45:04,690 --> 00:45:12,160 |
|
ุนูุฏู ููุง ุจุนุฏ ููู ุจูููู ุงูู gain ุชุจุนุช ุงูู income ูุชู
ุซู |
|
|
|
558 |
|
00:45:12,160 --> 00:45:21,900 |
|
ุงูู I ุงููู ุนูุฏู ููู ูุงูุต ุงูู I ููู income ุงููู |
|
|
|
559 |
|
00:45:21,900 --> 00:45:28,380 |
|
ู
ูุฌูุฏุฉ ุนูุฏูุง ูุฃุญุณุจูุง ูุจุงูุชุงูู ุจุฃุญุณุจ ููุฐู ูุจุฃุญุณุจ ููู |
|
|
|
560 |
|
00:45:28,380 --> 00:45:31,780 |
|
ุงูุนูุงุตุฑ |
|
|
|
561 |
|
00:45:31,780 --> 00:45:37,640 |
|
ุงููู ู
ูุฌูุฏุฉ ุนูุฏู ุชู
ุงู
ุง ููู student ุจุนูุฏ ุงููุฑุฉ ู ููู |
|
|
|
562 |
|
00:45:37,640 --> 00:45:41,780 |
|
credit rating ูุตุงุญุจ ุงูู attribute ุตุงุญุจ ุฃูุจุฑ gain |
|
|
|
563 |
|
00:45:41,780 --> 00:45:46,480 |
|
ูู ุงููู ุญูููู ูุนููุง ุฃูุง ูุฃุนุชู
ุฏ ููู ูู ุงูู .. ูู |
|
|
|
564 |
|
00:45:46,480 --> 00:45:49,740 |
|
ุงูุฑุณู
ุฉ ุฃู ูู ุงูู decision node ุงูุชุงููุฉ ุญุณุจ ุงูุญุณุจุฉ |
|
|
|
565 |
|
00:45:49,740 --> 00:45:54,200 |
|
ุชุจุนุชู ุญุณุจูุงูุง ุณุงุจูุง ูุงุฒู
ุฃูุชู
ุชูู
ูููุง ููุงุฎุฑ ุญุณุจ |
|
|
|
566 |
|
00:45:54,200 --> 00:45:57,740 |
|
ุงูุญุณุจุฉ ุชุจุนุชู ุงูู student ุญุตูุช ุฃุนูู gain ุงูู student |
|
|
|
567 |
|
00:45:57,740 --> 00:46:02,680 |
|
ุชุจุนุชู ุญุตูุช ุฃุนูู gain ูุจุงูุชุงูู ุฃูุง ุงูุขู ููุง ูุฃุตูุฑ |
|
|
|
568 |
|
00:46:02,680 --> 00:46:07,260 |
|
ูู ุนูุฏู ุงูู student ูู ุงูู Internal node ุงูุฌุงูุฉ ููููุง |
|
|
|
569 |
|
00:46:07,260 --> 00:46:13,680 |
|
two different values ูุฃูุณู
ุงูู data set ุจุนุฏ ููู ูุฃูุณู
|
|
|
|
570 |
|
00:46:13,680 --> 00:46:16,860 |
|
ุงูู data set ุชุจุนุง ููู nodes ุงููู ู
ูุฌูุฏุฉ ุนูุฏู ููู ู |
|
|
|
571 |
|
00:46:16,860 --> 00:46:20,960 |
|
ุจููู ุตุงุฑุช ูู ุงูู nodes ุชูุชู
ู ูููุณ ุงูู class ูู ุงูู |
|
|
|
572 |
|
00:46:20,960 --> 00:46:24,620 |
|
samples ุชูุชู
ู ูููุณ ุงูู class ูููุง ุจููู ูุฐู already |
|
|
|
573 |
|
00:46:24,620 --> 00:46:28,260 |
|
ูููุง ุชูุชู
ู ูููุณ ุงูู class ูุฃูุง ูููุช ููุง ููููุช ููุง |
|
|
|
574 |
|
00:46:28,260 --> 00:46:31,540 |
|
ูุชููู ุงูู final tree ุชุจุนุชู ุทุจุนุง ูู ุงูุญุณุจุฉ ุงููู |
|
|
|
575 |
|
00:46:31,540 --> 00:46:36,430 |
|
ุนูุฏูุงูุง ู
ุฑุฉ ุซุงููุฉ ุฃูุง ูู ุงูุขุฎุฑ ุงูู Tree ุชุจุนุชู ุฃุญุตู |
|
|
|
576 |
|
00:46:36,430 --> 00:46:40,330 |
|
ุนูููุง ุงููู ุฅุญูุง ุดููุงูุง ู
ุณุจูุง ุงูู
ูุฑูุถ ูุจู ู
ุง ูุจุฏุฃ |
|
|
|
577 |
|
00:46:40,330 --> 00:46:50,130 |
|
ุจุงูุดุบู ุงููู ูู ูุฐู ุงูู income ู
ุง ุจููุชุด ุนูุฏู ูุฃู |
|
|
|
578 |
|
00:46:50,130 --> 00:46:54,770 |
|
ูุนููุง ูุฒููุง ูุงู ูุง ูุฐูุฑ ู
ูุงุฑูุฉ ุจุงูู data set ููู
ุง |
|
|
|
579 |
|
00:46:54,770 --> 00:46:57,570 |
|
ุฃูุง ู
ุง ุถูุด ุนูุฏู rows ุฃู ู
ุง ุถูุด ุนูุฏู sample ุฃุฑูุญ |
|
|
|
580 |
|
00:46:57,570 --> 00:47:01,650 |
|
ุฃุฌุณู
ูุง ุงูุขู ุนุดุงู |
|
|
|
581 |
|
00:47:02,490 --> 00:47:06,390 |
|
ู
ุง ูุทููุด ุนูููู
ุจุนุฏ ู
ุง ุญุณุจูุง ุงูุนูุงุตุฑ ุงููู ู
ูุฌูุฏุฉ |
|
|
|
582 |
|
00:47:06,390 --> 00:47:11,430 |
|
ุนูุฏูุง ูู ุงูู continuous attributes ูู ุญุงูุฉ ุงูู |
|
|
|
583 |
|
00:47:11,430 --> 00:47:14,470 |
|
attributes ุงููู ุนูุฏู continuous attribute ุฅูุด ุงูุญูุ |
|
|
|
584 |
|
00:47:14,470 --> 00:47:19,610 |
|
ุงุนู
ู discretization ุงุนู
ููุง categories ุฌุณู
ูุง ููุฆุงุช |
|
|
|
585 |
|
00:47:19,610 --> 00:47:22,830 |
|
ุงุณุชุฎุฏู
ุงูู binning ู ุฃุนุทู label ููู bin ู ุงุดุชุบู |
|
|
|
586 |
|
00:47:22,830 --> 00:47:28,710 |
|
ุนูููุง ุจุชูุงุดู ุงุดุชุบู ุนููู ูู ุญู ุจุณูุท ุฌุฏุง ุงูุญู ุจููููู |
|
|
|
587 |
|
00:47:28,710 --> 00:47:33,760 |
|
ุฑุชุจ ุงูู data set ุชุจุนุง ููู items ุงููู ู
ูุฌูุฏุฉ ุนูุฏู ุฑุชุจ |
|
|
|
588 |
|
00:47:33,760 --> 00:47:38,260 |
|
ุงูู items ุชู
ุงู
ูุตุงุฑุช ุงูู data sorted ุฅู ูู ุญุงู ูุงูุช |
|
|
|
589 |
|
00:47:38,260 --> 00:47:43,260 |
|
ุนูุฏู ุงูู age ุนุจุงุฑุฉ ุนู number ุตุงุฑ ุนูุฏู ุฎู
ุณุฉ ูุนุดุฑูู ู |
|
|
|
590 |
|
00:47:43,260 --> 00:47:48,780 |
|
ุซูุงุซูู ุณุจุนุฉ ูุซูุงุซูู ุฃุฑุจุนูู ุงูุขู ุฃูุช ุจูู |
|
|
|
591 |
|
00:47:48,780 --> 00:47:55,500 |
|
ุชูุฌู ุชูุญุต ุจูู ูู two nodes ูุนูู ูุชุฃุฎุฐ |
|
|
|
592 |
|
00:47:55,500 --> 00:48:00,200 |
|
ุงูู midpoint ุงููู ุจูู ูุฏูู ุงูุงุซููู ุฃู ุงูุฃุณูู ูู |
|
|
|
593 |
|
00:48:01,200 --> 00:48:03,600 |
|
ูุนูุง ูู ุนุจุงุฑุฉ ุนู Discretization ููููุง Binary |
|
|
|
594 |
|
00:48:03,600 --> 00:48:07,780 |
|
Discretization ู
ุน ุงูุฃุฑูุงู
ุฃูุช ุฅูุด ุงูู
ูุงุฑูุงุช ุชุจุนุชูุ |
|
|
|
595 |
|
00:48:07,780 --> 00:48:12,460 |
|
ุฃู
ุง ูุชููู ูู ุฃูู ุฅุฐุง ููุช ุฃูู ู
ู ูุฏู ููู ุฃูุจุฑ ุฃู |
|
|
|
596 |
|
00:48:12,460 --> 00:48:16,340 |
|
ุชุณุงูู ูุฏู ุฅุฐุง ููุช ุฃูุจุฑ ู
ู ุฃูุจุฑ ู
ู ุฃู ุชุณุงูู ูุฏู |
|
|
|
597 |
|
00:48:16,340 --> 00:48:19,280 |
|
ููู ุฃูู ู
ู ูุฏู ุนูุณูุง ุชู
ุงู
ุง ูุญูููู ุจุดุบู ุนูููุง ู
ุน |
|
|
|
598 |
|
00:48:19,280 --> 00:48:23,080 |
|
binary ูุนูู ุจูู ููุณูู ุจุตูุฑ ุจุฃุฎุฐ decision ููุง ุจูููู |
|
|
|
599 |
|
00:48:23,080 --> 00:48:30,500 |
|
ุฃูู ุฃู ุชุณุงูู ุฎู
ุณุฉ ูุนุดุฑูู ุทุจ ู
ุง ูู ุฎู
ุณุฉ ูุนุดุฑูู ุจุงุฌู ููุง |
|
|
|
600 |
|
00:48:33,210 --> 00:48:39,230 |
|
ุฃูู ุฃู ุชุณุงูู ุซูุงุซูู ู
ุนุชุจุฑ ูุฏูู ูู partitions ู |
|
|
|
601 |
|
00:48:39,230 --> 00:48:42,190 |
|
ูุฏูู ูู partitions ู
ุน ุงูู continuous attributes ุฅุฐุง |
|
|
|
602 |
|
00:48:42,190 --> 00:48:45,830 |
|
ุฃูุช ุจุฏู ุชุดุชุบู ู
ุน ุงูู continuous values ู
ุนูุงุชู ุฃูุช |
|
|
|
603 |
|
00:48:45,830 --> 00:48:49,990 |
|
ููููู ูู ุนูุฏู too many partitions ูุญุฏ ู
ุง ุชุตู ูู |
|
|
|
604 |
|
00:48:49,990 --> 00:48:55,300 |
|
best point ุงููู ุจุชุนู
ู split ูุนูู ูุฃุญุณุจ ุงูุขู ุงูุฌุณู
|
|
|
|
605 |
|
00:48:55,300 --> 00:48:58,920 |
|
ูุฏู ูุงูุช ููุง ููุง ูู
ุง ูุงููุง ุงุซููู ูุซูุงุซุฉ ููู
ุง |
|
|
|
606 |
|
00:48:58,920 --> 00:49:03,160 |
|
ูุงููุง ุซูุงุซุฉ ูุงุซููู ูุฃุฌุฑุจ ูููู
ูุขุฎุฐ ุฃุนูู gain |
|
|
|
607 |
|
00:49:03,160 --> 00:49:06,900 |
|
ูููู
ูุฃู ูู ุงูุขุฎุฑ ุฃูุง ุจุฏูุฑ ุนูู ุงูู gain ููู ุงูู data |
|
|
|
608 |
|
00:49:06,900 --> 00:49:12,320 |
|
set ุชุจุนุชู ุงููู ู
ูุฌูุฏุฉ ุนูุฏู ููุง ุงูุขู ูุฏู ุงูู
ูุถูุน ุงูู |
|
|
|
609 |
|
00:49:12,320 --> 00:49:15,810 |
|
splitting ููู continuous values ููู ุงูู Information |
|
|
|
610 |
|
00:49:15,810 --> 00:49:21,330 |
|
Gain ุฏุงุฆู
ุง ุจูุญุงุฒ ููู attributes ุฃู ููู test ุงููู |
|
|
|
611 |
|
00:49:21,330 --> 00:49:25,230 |
|
ุจูููู ูููุง two ุฃู ูููุง many outcomes ุงููู ูููุง |
|
|
|
612 |
|
00:49:25,230 --> 00:49:30,490 |
|
values ูุซูุฑุฉ ุนุดุงู ูู ูุงูุช ูู ุงูุฃูู ุนูุฏู ุงูู age |
|
|
|
613 |
|
00:49:30,490 --> 00:49:33,190 |
|
ูุงูุช ูู ุฃูุซุฑ ุงูู values ุงููู ู
ูุฌูุฏุฉ ุฌุงูู ู
ู
ูู ุฅุญูุง |
|
|
|
614 |
|
00:49:33,190 --> 00:49:37,070 |
|
ูุญูู ูุฐู ุงูู
ุดููุฉ ููุนุชู
ุฏ ุฃู ูุญุงูู ููุถู ุนูู ู
ูุถูุน |
|
|
|
615 |
|
00:49:37,070 --> 00:49:39,930 |
|
ุฅูุญูุงุฒ ุงูู values ุงููุซูุฑุฉ ุงููู ูู ู
ูุถูุน ุงูู gain |
|
|
|
616 |
|
00:49:39,930 --> 00:49:43,500 |
|
ratio ุงูู Gain Ratio ููุฑุชูุง ูุง ุฌู
ุงุนุฉ ุงูุฎูุฑ ุฃูู ุฃูุง |
|
|
|
617 |
|
00:49:43,500 --> 00:49:48,240 |
|
ุจุฏู ุฃุฑูุญ ุฃุญุณุจ ุงูู split info ุฅุญูุง ุณุงุจูุง ูุงูุช ูุฐู |
|
|
|
618 |
|
00:49:48,240 --> 00:49:52,240 |
|
ุงูููู
ุฉ ู
ูุฌูุฏุฉ ุนูุฏูุง ูู ุนุฏุฏ ุนูุงุตุฑ ุงูู partition ุนูู |
|
|
|
619 |
|
00:49:52 |
|
|
|
667 |
|
00:53:11,450 --> 00:53:15,430 |
|
ู
ูุฌูุฏ ุนูุฏู ุขุฎุฑ ุฎุทูุฉ ุฃู ุขุฎุฑ slide ูู ุงูู
ูุถูุน |
|
|
|
668 |
|
00:53:15,430 --> 00:53:18,630 |
|
ููู ุจุฏู ุฃุณุชุฏุนููุงุ ุงูุฎุทูุงุช ุงูุณุงุจูุฉ ูู ุงูู python ููุณูุงุ |
|
|
|
669 |
|
00:53:18,630 --> 00:53:22,590 |
|
from sklearn.tree import DecisionTreeClassifier |
|
|
|
670 |
|
00:53:24,140 --> 00:53:27,880 |
|
ุงููู
ูุฐุฌ ุงูู Decision Tree Classifier ุนู
ูุช ูู fit |
|
|
|
671 |
|
00:53:27,880 --> 00:53:31,720 |
|
ููุช ููุ ููุฐู ุงูุฌุฒุฆูุฉ ูู ุงูุณุทุฑ ูุฐุงุ ุจุชุจูู ุงูุดุฌุฑุฉ. |
|
|
|
672 |
|
00:53:31,720 --> 00:53:36,500 |
|
ุงูุขู ุงูู |
|
|
|
673 |
|
00:53:36,500 --> 00:53:39,340 |
|
sample test ููุณูุงุ ูุฃููุง ุดุบุงูุฉุ ููุณ ุงูุดูุกุ ุจุฏูุง ูุฌุฑุจูุง ู
ุนุงูู
ู
ู |
|
|
|
674 |
|
00:53:39,340 --> 00:53:44,060 |
|
ุงูุจุฏุงูุฉ. ุฌุฑุจุชูุง ู
ุน ุงูู kenia sniperุ ูุฌุฑุจุชูุง ู
ุน ุงูู naive |
|
|
|
675 |
|
00:53:44,060 --> 00:53:48,840 |
|
ุจุงูุฒ. ุจุฑูุญ ุชุนู
ู ุงูู testุ ูููุญุฏุฏ setosa ุจูู |
|
|
|
676 |
|
00:53:48,840 --> 00:53:53,600 |
|
ุชุฃููุฏุ ูุจููู ุจูููู ุฅุญูุง ูุนููุงู ุงูุชูููุง ู
ู ู
ูุถูุน ุงูู |
|
|
|
677 |
|
00:53:53,600 --> 00:53:57,040 |
|
Decision Tree ูู
ุญุงุถุฑุชูุง ุงูููู
. ุงูู
ุทููุจ ู
ููู
|
|
|
|
678 |
|
00:53:57,040 --> 00:53:59,500 |
|
ุชุฌุฑุจูุง ูุง ุฌู
ุงุนุฉ ุงูุฎูุฑุ ูู ุนูุฏูุง different data set |
|
|
|
679 |
|
00:53:59,500 --> 00:54:02,780 |
|
ู
ูุฌูุฏุฉ ูู ุงูู slide ุณุงุจูุงู. ุฌุฑุจูุง ุงูููุงู
ูุฐุง ุนูููุงุ ู |
|
|
|
680 |
|
00:54:02,780 --> 00:54:05,000 |
|
ุฌุฑุจูุง ุงูููุงู
ูุฐุง ุนูููุงุ ูุนูู ุจููุชุฌ ุณููุงุฑูู |
|
|
|
681 |
|
00:54:05,000 --> 00:54:08,470 |
|
ูุฐุง ุงูููุงู
ู
ุด ูุชุชูููู ู
ู ู
ุฑุฉ ูุงุซูุชูู ูุซูุงุซุ ุงูุดุบู |
|
|
|
682 |
|
00:54:08,470 --> 00:54:12,130 |
|
ุงูุชุงูู ุงููู ุจุฏู ุฅูุงู ู
ููู
ุ ุจุนุฏ ุชุฌุฑูุจ ุงูุนู
ู ูุจุฏู |
|
|
|
683 |
|
00:54:12,130 --> 00:54:15,730 |
|
ุชุนุชุจุฑููุง ูู assignment ุนูููู
. ุงูุขูุ ูุจุฏู ุชุฑูุญ ุชููุฑูุง |
|
|
|
684 |
|
00:54:15,730 --> 00:54:18,570 |
|
ุฃู ุชุฏูุฑูุง ูู ููู ู
ู
ูู ุฃูุงุ ุฅุฐุง ูุงูุช ูุฐู ุนุจุงุฑุฉ ุนู ุงูู |
|
|
|
685 |
|
00:54:18,570 --> 00:54:21,930 |
|
treeุ ุจุนุฏ ู
ุง ุฃูุง ุนู
ูุช ููุง fitุ ูู ูู ู
ุฌุงู ุฃุฑุณู
ุงูู tree |
|
|
|
686 |
|
00:54:21,930 --> 00:54:25,690 |
|
ุจุชุงุนุชูุง ุจุงูุจุงูุซููุ ุงูุ ูู ู
ุฌุงูุ ููุฐู ู
ุชุฑููุฉ ููู
. ูุงูุณูุงู
|
|
|
|
687 |
|
00:54:25,690 --> 00:54:27,470 |
|
ุนูููู
ูุฑุญู
ุฉ ุงููู ูุจุฑูุงุชู |
|
|