[R] Why can't R understand if(num!=NA)?
bhh at xs4all.nl
Fri May 3 18:30:07 CEST 2013
On 03-05-2013, at 17:24, jpm miao <miaojpm at gmail.com> wrote:
> I have a program, when I write
> it yields an error message.
What is unclear about the error message?
> However, if I write
> it works.
> Why doesn't the first statement work?
Read section 2.5 'Missing values" of the manual "An Introduction to R".
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> and provide commented, minimal, self-contained, reproducible code.
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