[R] selecting by variable
Philippe Glaziou
glaziou at pasteur-kh.org
Wed Aug 27 11:19:42 CEST 2003
Eugene Salinas <eugenesalinas2003 at yahoo.com> wrote:
> How do I select one variable by another one? Ie if I
> want to draw the histogram of variable X only for
> those individuals that also have a value Y in a
> certain range?
>
> In STATA I would give something like:
>
> histogram X if ((Y>=A & Y<=B))
hist(x[Y>=A & Y<=B])
See:
?Subscript
?"&"
--
Philippe Glaziou
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