Roger Peng <[EMAIL PROTECTED]> writes: > Okay, upon further examination, it appears that it works fine if you set > 'row.names = FALSE' as opposed to 'row.names = F'.
Nope. It's still a bug and you're quite right that eval() is needed. We can't have that an argument only works when supplied as an explicit constant. > -roger > > Roger Peng wrote: > > Upon replying to this email, I took a look at 'write.csv()' and noticed > > something interesting. I remember there being a discussion sometime in > > the past about letting 'write.csv()' accept the 'row.names' argument. > > However, I get the following error: > > > > > write.csv(airquality, file = "myfile.csv", row.names = F) > > Error in write.table(airquality, file = "myfile.csv", row.names = F, > > col.names = NA, : > > col.names = NA makes no sense when row.names = FALSE > > > > > > > In 'write.csv()' there is > > > > rn <- Call$row.names > > Call$col.names <- if (is.logical(rn) && !rn) > > TRUE > > > > but is.logical(rn) is always FALSE because even if 'row.names' is > > specified (non-NULL), it is of class "name". Perhaps something like > > > > rn <- eval(Call$row.names) > > > > would suffice? I can't tell if that would break anything. > > > > -roger > > > > Sven Schaltenbrand wrote: > > > >> hallo, > >> > >> i have a problem by writing a csv file > >> the first colum is filled with index numbers from 1 to n. > >> i have to unique two csv files once a week while one file is always the > >> same. > >> can anybody tell me, how to write the dataset into a csv file without the > >> first row of the indexnumbers. > >> x[,-1] does not wok as it eliminates the first "interesting" colum. > >> col.names is not accepted by r (do i habe to start a package first? which > >> one?) > >> > >> thx > >> > >> sven > >> > >> [[alternative HTML version deleted]] > >> > >> ______________________________________________ > >> R-devel@r-project.org mailing list > >> https://stat.ethz.ch/mailman/listinfo/r-devel > >> > > > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- 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-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
