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
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