[R] data.frame -> matrix

Roger D. Peng rpeng at jhsph.edu
Sat Sep 27 16:43:47 CEST 2003

I think data.matrix() is what you want.


Sokratis Alikhanidi wrote:
>    Dear colleagues,
> I am beginner, so the primitive questions:
> in pls.pcr package in the function mvr I need to indicate a matrix of observations and a vector of responses.
> But read.table function returns the data.frame object.
> What is the way for conversion of the data.frame object into matrix and vector objects?
> And what is the way for writing the results down into file?
> Thank you very much.
> Sokratis.
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