Martingale-Based Residuals for Survival Models
- 1 March 1990
- journal article
- research article
- Published by JSTOR in Biometrika
- Vol. 77 (1) , 147-160
- https://doi.org/10.2307/2336057
Abstract
Graphical methods based on the analysis of residuals are considered for the setting of the highly-used Cox (1972) regression model and for the Andersen-Gill (1982) generalization of that model. We start with a class of martingale-based residuals as proposed by Barlow & Prentice (1988). These residuals and/or their transforms are useful for investigating the functional form of a covariate, the proportional hazards assumption, the leverage of each subject upon the estimates of β, and the lack of model fit to a given subject.This publication has 4 references indexed in Scilit:
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