Make sure that the Date column is actually of class "Date": DF$Date <- as.Date(DF$Date, "%d-%b-%y") plot(DF)
See ?as.Date . Also read the Help Desk article in R News 4/1 to learn more about dates. On 10/18/06, tom soyer <[EMAIL PROTECTED]> wrote: > Hi, > > I have the following data in two columns. The first column is the date, the > second is data. > > Date Data > 3-Jan-95 459.21 > 4-Jan-95 459.13 > 5-Jan-95 460.73 > 6-Jan-95 460.38 > 9-Jan-95 460.67 > 10-Jan-95 460.9 > 11-Jan-95 461.68 > 12-Jan-95 461.64 > 13-Jan-95 461.64 > 16-Jan-95 465.97 > 17-Jan-95 469.38 > 18-Jan-95 470.05 > 19-Jan-95 469.72 > 20-Jan-95 466.95 > 23-Jan-95 464.78 > 24-Jan-95 465.81 > 25-Jan-95 465.86 > > I would like to used the date as the x-axis and data the y-axis. I tried > plot(Data~Date,data=d), where d is the R data frame variable that holds the > two columns. But something very strange happened, although the graph has > dates on the x-axis, the order of these dates are wrong. I searched the help > file, and realized that I need to tell R explicitly to set the date as > x-axis. Unfortunately, this is as far as I got, and I couldn't figure out > exactly how to do this. Could someone please provide me with an example? > > Thanks, > > Tom > > [[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.
