[Gretl-users] pre-multiplication by transpose

I bumped into a feature of Hansl that may be produce puzzling results: using the "pre-multiplication by transpose" notation X'Y with X a 1x1 matrix (that is, defined as a matrix, but with 1 row and 1 column, for instance because the result of the product of a row vector for a column vector) produces the "non conformable data type" error, while using the full syntax X'*Y os ok. bye, Stefano -- _________________________________________________________________________ Stefano Fachin Professore Ordinario di Statistica Economica Dip. di Scienze Statistiche Università di Roma "La Sapienza" P.le A. Moro 5 - 00185 Roma - Italia Tel. +39-06-49910834 fax +39-06-49910072 URL http://w3.uniroma1.it/fachin/