jim holtman wrote: > It is hard to respond without reproducible examples. Do > str(dat[2,23:46]) and see what it reports. My guess is that one of > the columns is not numeric. Find out which one it is, fix it and then > try 'hist' again. > No, this will be wrong whatever the data are. The problem is that dat[2,23:46] is a one-row dataframe, i.e. a list, which is not a numeric vector. Possibly hist(unlist(dat[2,23:46])) is what is wanted. I don't think the boxplot is "fine" either, except in the sense that it does not give an error (try boxplot(airquality[2,])).
> On Fri, Jun 13, 2008 at 10:21 AM, Paul Adams <[EMAIL PROTECTED]> wrote: > >> Hello everyone, >> I am trying to plot a histogram from the following code: >> dat<-read.table(file="C:\\Documents and Settings\\Owner\\My >> Documents\\Yeast\\Yeast.txt",header=T,row.names=1) >> file.show(file="C:\\Documents and Settings\\Owner\\My >> Documents\\Yeast\\Yeast.txt") >> x<-dat[2,23:46] >> y=mean(x,trim=0,na.rm=T) >> colMeans(dat[2,23:46]) >> boxplot(dat[2,23:46]) >> hist(dat[2,23:46]) >> The box plot is fine but the histogram keeps giving me the error that x >> must be numeric.I am not sure what is wrong here with the instructions >> for the histogram plot. >> Any help would be appreciated >> Paul >> >> >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> 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. >> >> > > > > -- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ 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.
