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? __

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

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 We

[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]] __