Xian -
I interpret this as a question about subscripting.
Read help("Subscript"), help("Control"). Perhaps
the roughly 40 page pdf document "An Introduction to R"
(or something like that) found under "Manuals" on the
R home page would be helpful in getting started.
I don't understand enough of your question to give
a more specific answer.
- tom blackwell - u michigan medical school - ann arbor -
On Sun, 22 Feb 2004, li xian wrote:
> hello,
>
> I would like to do a for loop for matrix:
>
> Xm Xm-1 ...... X1
> Xm+1 Xm ...... X2
> .......................................
> .....................................
> Xn Xn-1 ...... Xn-m+1
>
> How can I do it in R?
>
> Thanks!!!
>
>
>
>
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