[R] how can I look at .Internal(model.matrix(t, data))?

Peter Ehlers ehlers at ucalgary.ca
Tue Mar 9 09:22:40 CET 2010

I imagine it's in


  -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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Peter Ehlers
University of Calgary

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