thank you for your help,it is a good way.
Steven Kang wrote:
>
> can try
>
> matrix.x <- as.matrix(x)
>
> On Mon, Nov 2, 2009 at 8:38 PM, bbslover <dlu...@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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>
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> ______________________________________________
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