Also see Uwe's article in R news : "Accessing the source" :
http://cran.r-project.org/doc/Rnews/Rnews_2006-4.pdf
On 03/09/2010 09:22 AM, Peter Ehlers wrote:
I imagine it's in
https://svn.r-project.org/R/trunk/src/main/model.c
-Peter Ehlers
On 2010-03-05 12:43, Werner W. wrote:
Hi,
I would like to see how model.matrix expands factor column to a set of
dummy columns. I think that is done int .Internal(model.matrix(t,
data)) which is called from model.matrix.default. But I have not idea
how I can look at this function. How can I get to such internal
functions?
Thanks so much!
Werner
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