[R] matrix subset

[vincent@7d4.com]

Marc Schwartz a écrit :

> In R version 2.1.0, a matrix method was added to the subset() function,
> so I am guessing that you are several versions out of date. Please
> upgrade to the latest version, which is 2.2.0, where you will get:

I upgraded and it works fine.
Thanks for the hint.

Many thanks also to the authors of the function, Peter Dalgaard
and prof Ripley (I suspect prof Ripley is responsible for
the matrix improvment ?).

Many thanks also to all the contributors to the last
version of this wonderful software.

Vincent