search for: mancante

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2010 Mar 08
1
why this function does not run correctly?
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2008 Jun 24
0
sparse matrix and block of R
...questions are the following: first, when I give the command X=as.matrix.csr(X) and in matrix X there are some elements that repeat in some rows (i.e in row 1 there is value 3, in row 2 there is again value 3 in the same position), he gives me the following error: Error in if (nnz == 0) { : valore mancante dove ? richiesto TRUE/FALSE (That means : missing value when it is required true/false). When I take off that column with same value that repeats it works well and creates the sparse matrix. Can you help me to correct this problem? Is there a bug in the sparse matrix command? My second problem is...