On Thu, Dec 24, 2009 at 4:38 AM, Brian G. Peterson <br...@braverock.com>wrote:
>
> data <- matrix(rnorm(100), nrow=10) # 10 x 10
> apply(data,2,cumsum)
>
> if you want to store the partial sums
> (that was an important bit of information you left out)
>
>
Thank you for your suggestion. However, I gave information only about what I
was interested in and I got my answer immediately.
Cheers,
Francesco.
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