04.2.1. A Range Equality for Block Matrices with Orthogonal Projectors

Yongge Tian

Econometric Theory, 2004, vol. 20, issue 02, pages 427-427

Abstract: When considering the general Gauss Markov model Y = X + e, where E(e) = 0, Cov(e) = V, one often needs to know whether the range inclusion range(X) range(V) holds.

Date: 2004

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