Any more convinient methods?

On 3/6/06, Jacques VESLOT <[EMAIL PROTECTED]> wrote:
>
> indcol <- rep(1:ncol(mat), each=nrow(mat))[which.max(mat)]
> indrow <- rep(1:nrow(mat), ncol(mat))[which.max(mat)]
>
>
> indrow <- which(apply(mat==max(mat),1,sum)!=0)
> indcol <- which(apply(mat==max(mat),2,sum)!=0)
>
>
> Michael a écrit :
>
> >Hi all,
> >
> >I want to use "which.max" to identify the maximum in a 2D array/matrix
> and I
> >want "argmin" and return the row and column indices.
> >
> >But "which.max" only works for vector...
> >
> >Is there any convinient way to solve this problem?
> >
> >Thanks a lot!
> >
> >       [[alternative HTML version deleted]]
> >
> >______________________________________________
> >R-help@stat.math.ethz.ch mailing list
> >https://stat.ethz.ch/mailman/listinfo/r-help
> >PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
> >
> >
> >
>
>

        [[alternative HTML version deleted]]

______________________________________________
R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

Reply via email to