x<-c(1, 2);
y<-ifelse(x==1, 1, 0);

On 10/25/05, Jennifer Dillon <jdillon@hsph.harvard.edu> wrote:
>
> Hello,
>
> I am almost a total novice, and I am sure there must be an easy (and
> basic) way to turn a variable of 1's and 2's into a variable of zeros
> and ones. This is in a data frame, but if I could do it with vectors,
> that's all I need.
>
> Can someone tell me how?
>
> Thanks so much,
>
> Jen
>
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--
WenSui Liu
(http://statcompute.blogspot.com)
Senior Decision Support Analyst
Cincinnati Children Hospital Medical Center

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