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basetai
2005 Jan 17
0
[basic ?] Merging result of by processing with a data fra me
> From: Jean-Louis Abitbol
>
> Dear All,
>
> I would like to merge a data frame such as:
>
> > basetab
> subject dose cmax
> 1 1031 50 21.8
> ....
>
> with the result of a by processing such as:
>
> > tmax<-by(pkga,subject,f.tmax)
> > tmax
> subject: 1031
> [1] 6
> --------------------------------------------------
>
> f.tmax being a func...