Influence diagnostics for the proportional hazards model

L. A. Weissfeld

Statistics & Probability Letters, 1990, vol. 10, issue 5, 411-417

Abstract: Influence diagnostics based on Cook's curvature diagnostic (1986) are developed for the proportional hazards model. Three perturbation schemes are considered: perturbation of the likelihood, perturbation of the censoring information and perturbation of covariate values.

Keywords: Censored; data; curvature; influence; perturbation; diagnostic (search for similar items in EconPapers)
Date: 1990
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