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The Moore-Penrose Generalized Inverse of a Symmetric Matrix
Puntanen, Simo, (1996)
02.4.2. On the Rank of a Matrix Useful in Goodness-of-Fit Testing of Structural Equation Models Solution
Puntanen, Simo, (2003)
THREE RANK FORMULAS ASSOCIATED WITH THE COVARIANCE MATRICES OF THE BLUE AND THE OLSE IN THE GENERAL LINEAR MODEL
Puntanen, Simo, (2005)