Sorry, forgot to attach the error it is giving me. > if(NYT["Title"]=="A") + plot(NYT["B"],ylim=c(0,50),xlim=c(0,50),ylab="B",xlab="A") Warning message: In if (NYT["Title"] == "A") plot(NYT["B"], : the condition has length > 1 and only the first element will be used
Thank you Tony Breyal wrote: > > I think you need to put quotes around the column header name, > something like: NYT["Title"] > > example: >> my.df <- data.frame(header1=1:3, header2=1:3) >> my.df[header2] > Error in `[.data.frame`(my.df, header2) : object "header2" not found >> my.df["header2"] > header2 > 1 1 > 2 2 > 3 3 > > Hope that helps a little, > Tony Breyal > > On 22 Feb, 04:41, miya <ontiveros_pal...@yahoo.com> wrote: >> Hi everyone, >> I'm trying to plot some data across time. I have a list of articles, >> ranks, >> date/times, authors, etc. Someone suggested using zoo and someone >> suggested >> using ts. I'm pretty new at this and have been trying a simple if() >> plot() >> statement, but it doesn't seem to work. I keep getting an error that >> Title >> does not exist. Basically its saying that the headers do not exist as >> objects. Can anyone please help. >> >> Below is what I've been trying to do and a sample of the data I am >> working >> with. >> >> Thanks in advance. >> >> Time Date Rank Topic Title Author >> 0 xxxx 1 A J By PAUL >> 0 xxxx 2 B K By PERRI >> 0 xxxx 3 C L By WILL >> 0 xxxx 4 D M By ANA >> 1 xxxx 1 A J By PAUL >> 1 xxxx 2 B L By WILL >> 1 xxxx 3 C M By ANA >> 1 xxxx 4 D K By PERRI >> >> if(NYT[Title]=="For Catholics, a Door to Absolution Is Reopened") >> plot(NYT[Rank]) >> >> Error in `[.data.frame`(NYT, Title) : object "Title" not found >> -- >> View this message in >> context:http://www.nabble.com/Zoo-or-TS-tp22143632p22143632.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> r-h...@r-project.org mailing >> listhttps://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting >> guidehttp://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ > R-help@r-project.org 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. > > -- View this message in context: http://www.nabble.com/Zoo-or-TS-tp22143632p22149702.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org 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.
