[R] the ifelse function

Peter Dalgaard p.dalgaard at biostat.ku.dk
Sun May 6 10:10:35 CEST 2007

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?

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