[R] Quick question!

Winfried Theis theis at statistik.uni-dortmund.de
Wed Oct 31 14:08:42 CET 2001

On 31-Oct-01 Isabel Jones wrote:
> If I have this:
> for(i in 1:n) {
>   subset <- data[which(data$id==i),]
> which returns the rows where I have the variable ID=1,
> how can I tell the same statement to return just
> column Y where ID=i?

> subset <- data$Y[data$id==i]


E-Mail: Winfried Theis <theis at statistik.uni-dortmund.de>
Date: 31-Oct-01
Time: 13:06:37
Dipl.-Math. Winfried Theis, Fachbereich Statistik, Graduiertenkolleg
"Angewandte Statistik"
Universität Dortmund, 44221 Dortmund
Tel.: +49-231-755-5903  FAX: +49-231-755-4387
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