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Dear all,

I encounter a problem when trying to export with MlwiN a column as a .txt file ; I've got the following error message: "cannot open or close file (DWRI)"
Has anybody an idea about the way this problem could be solved ?

Best regards,
Arno.

Hello, I was wondering how I should proceed, using MLwiN, to include interactions in a cross-classified model. For instance, in an intercept-only model, if I have three random classifications at level two, how could I include the first-order interactions between each pair of random classifications ?...