The as.matrix function creates a matrix from the data frame.
See help(as.matrix) for the details.
Gabor
On Sun, Apr 23, 2006 at 12:29:55AM -0400, Jorge Colazo
wrote:> Hi,
> I an new to R and I realize this may be a silly question, but I searched
> the manuals and the list archives and can't find the answer.
>
> When I read data from R I get a dataframe with labels for rows and
> columns. SNA however asks for pure adjacency matrices, and if I try to use
> the dataframe gives an error message.
>
> What should do?
>
> Thanks a lot
>
> Jorge A. Colazo
> U. of Western Ontario
> [[alternative HTML version deleted]]
>
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--
Csardi Gabor <csardi at rmki.kfki.hu> MTA RMKI, ELTE TTK