Hello,

I'm using R 3.0.0 and trying to construct a fairly large sparse matrix with the Matrix package (40,567 columns and 64,323 rows ) and get the following error:

Error in asMethod(object) : negative length vectors are not allowed

Could this be an overflow problem, I thought R 3 would support long indices? I works fine with smaller matrices and also works as an ordinary non-sparse matrix. Are there alternatives that support large matrices?

     Regards,

    Arne


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