I might add that ifelse() is a vectorized function - is the operation you're trying to perform vectorized?
D. On Fri, Sep 17, 2010 at 10:21 AM, Dennis Murphy <djmu...@gmail.com> wrote: > Hi: > > The first argument of ifelse is a logical statement that must evaluate to > either TRUE or FALSE. I'm guessing that you're using the append function > here, which is not a logical statement. Perhaps it would help if you > described what you wanted to do with a reproducible example to illustrate > the problem. > > HTH, > Dennis > > > On Fri, Sep 17, 2010 at 9:02 AM, lord12 <gaut...@yahoo.com> wrote: > >> >> I get an error message: >> >> Error in file(file, ifelse(append, "a", "w")) : invalid 'open' argument >> >> How do I resolve this? >> -- >> View this message in context: >> http://r.789695.n4.nabble.com/convert-to-csv-file-tp2543232p2544070.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. >> > > [[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.