A note on deletion diagnostics for estimating equations

John S. Preisser, Bahjat F. Qaqish and Jamie Perin

Biometrika, 2008, vol. 95, issue 2, 509-513

Abstract: We describe an algorithm based upon the Sherman--Morrison--Woodbury formula for the inversion of matrices with special structure that occur in formulae for deletion diagnostics. Substantial computational savings relative to a method based upon Cholesky's decomposition are illustrated. The result has broad application to regression diagnostics for clustered data. Copyright 2008, Oxford University Press.

Date: 2008
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