try this:
> x
[,1] [,2] [,3] [,4]
[1,] 1 2 3 4
[2,] 1 2 4 1
[3,] 1 3 4 2
[4,] 2 3 4 3
[5,] 2 3 4 3
> apply(x, 2,
function(.col)dimnames(table(.col))[[1]][which.max(table(.col))])
[1] "1" "3" "4" "3"
>
On Wed, May 28, 2008 at 5:23 AM, Muhammad Azam <[EMAIL PROTECTED]> wrote:
> Respected R helpers/ users
> I am one of the new R user. I have a problem regarding to know which of the
> integer in each column of the following matrix is in majority. I want to
> know that integer e.g. in the first column 1 is in majority. Similarly in
> the third column 4 is in majority. So what is the suitable way to get the
> desired integer for each column. I am looking for some kind reply. Thanks
> example:
> > x=matrix(c(1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,4,1,2,3,3),ncol=4)
> > x
> [,1] [,2] [,3] [,4]
> [1,] 1 2 3 4
> [2,] 1 2 4 1
> [3,] 1 3 4 2
> [4,] 2 3 4 3
> [5,] 2 3 4 3
>
>
> best regards
>
> Muhammad Azam
> Ph.D. Student
> Department of Medical Statistics,
> Informatics and Health Economics
> University of Innsbruck, Austria
>
>
>
> [[alternative HTML version deleted]]
>
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem you are trying to solve?
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