Re: [R] the ifelse function
Jennifer Dillon wrote: > Hi Everyone, > > I think I found a problem with the ifelse function: If the condition > argument is NA, it treats it as true. Anyone agree or disagree with this? > > Jen I don't see it doing that: > ifelse(NA,1,0) [1] NA so what do you mean? __ 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.
Re: [R] the ifelse function
Can you proovide the example you are talking about. Here is what I got: > ifelse(NA,1,2) [1] NA On 5/5/07, Jennifer Dillon <[EMAIL PROTECTED]> wrote: > Hi Everyone, > > I think I found a problem with the ifelse function: If the condition > argument is NA, it treats it as true. Anyone agree or disagree with this? > > Jen > > -- > Jennifer Dillon > Doctoral Student > Harvard Biostatistics > Room 414B, Building 1 > >[[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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? __ 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.
Re: [R] the ifelse function
Jennifer Dillon wrote: > Hi Everyone, > > I think I found a problem with the ifelse function: If the condition > argument is NA, it treats it as true. Anyone agree or disagree with this? I disagree. > ifelse(c(5,4,NA) == 5, 1, 0) [1] 1 0 NA > Jen -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ 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] the ifelse function
Hi Everyone, I think I found a problem with the ifelse function: If the condition argument is NA, it treats it as true. Anyone agree or disagree with this? Jen -- Jennifer Dillon Doctoral Student Harvard Biostatistics Room 414B, Building 1 [[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.
