Hello everyone I have two 2x1 matrices: B.coeff and B.SE. I would like to use the modprint command, but I have problems with the variable names. For example, the following command gives me an error: modprint {B.coeff, B.SE} " const, X" What is the correct command? Thanks, Paolo -- Paolo Chirico RU e Prof.Agg. di Statistica Economica Università del Piemonte Orientale Dip. di Giurisprudenza e Scienze Politiche, Economiche e Sociali (DIGSPES) Alessandria, Italia