[R] Reducing matrix dimension

[Thomas W Blackwell]

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On Fri, 22 Aug 2003 hwood at iprimus.com.au wrote:

> Hi,
>
> I wonder whether someone can help me with this query.
>
> I have a 12(cols) by 9(rows) matrix X.  I need to reduce this matrix so that
> it contains 'n' columns (eg.  reduce X into a 3 by 9 matrix).  What is the
> best method to do this in R?
>
> Thank you in advance for your help!
>
> Hannah
>
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