can try

 matrix.x <- as.matrix(x)

On Mon, Nov 2, 2009 at 8:38 PM, bbslover <dluthm@yeah.net> wrote:

>
> In my disk C:/ have a  a.csv file, I want to read it  to R, importantly,
> when
> I use x=read.csv("C:/a.csv") ,the x format  is  data.frame,  I want to it
> to
> become matrix format,  how can I do it ?
>
> thank you!
> --
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