try this:
> a<-cbind(c("23","54","65"),c("1","2","3"))
> a
[,1] [,2]
[1,] "23" "1"
[2,] "54" "2"
[3,] "65" "3"
> mode(a) <- 'numeric'
> a
[,1] [,2]
[1,] 23 1
[2,] 54 2
[3,] 65 3
>
On Wed, Jun 2, 2010 at 8:15 AM, Yuan Jian <jayuan2...@yahoo.com> wrote:
> Hello R experts,
> can you tell me a simple way to convert a charactor matrix to numeric matrix?
> if I use as.numeric, the matrix is converted to a vector.
>
> a<-cbind(c("23","54","65"),c("1","2","3"))
> a
> [,1] [,2]
> [1,] "23" "1"
> [2,] "54" "2"
> [3,] "65" "3"
>
> as.numeric(a)
> [1] 23 54 65 1 2 3
>
> thanks
> Jian
>
>
>
>
>
>
> [[alternative HTML version deleted]]
>
>
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
>
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem that you are trying to solve?
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