[R] matrix building with two variables

[Julien Barnier]

Hi,

> I did read everything I could but could not understand everything. Hopefully
with more programming
> practice it will become more less.

Then maybe you read everything you could a bit too fast. Because the answer to
your question is in the first document to read, "An introduction to R", section
5.8 :

http://cran.r-project.org/doc/manuals/R-intro.html#Forming-partitioned-matrices

-- 
Julien