Re: [R] Construct time series objects from raw data stored in csv files On Thu, 12 Apr 2007, tom soyer wrote: > Hi, > > I have time series data stored in csv files (see below for an example of the > data). I understand that in order to analyze my data in R, I need to first > transform it into a ts object. Howeve, I could not find an example on how > exactly to do that. Is ts the only function I need? What are the steps that > I need to go through to build a time series object from raw data like this? With the "zoo" package you can do   library("zoo")   z <- read.zoo("yourdata.csv", sep = ",")   plot(z) See   vignette("zoo", package = "zoo") for more information and also some more details about other time series classes. Z > Thanks, > > Tom > > ----------------------------------- DATE,VALUE > 1921-01-01,19.000 > 1921-02-01,18.400 > 1921-03-01,18.300 > 1921-04-01,18.100 > 1921-05-01,17.700 > 1921-06-01,17.600 > 1921-07-01,17.700 > 1921-08-01,17.700 > 1921-09-01,17.500 > 1921-10-01,17.500 > 1921-11-01,17.400 > 1921-12-01,17.300 > 1922-01-01,16.900 > 1922-02-01,16.900 > 1922-03-01,16.700 > 1922-04-01,16.700 > 1922-05-01,16.700 > 1922-06-01,16.700 > 1922-07-01,16.800 > 1922-08-01,16.600 > 1922-09-01,16.600 > 1922-10-01,16.700 > 1922-11-01,16.800 > 1922-12-01,16.900 > > 	[[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.