Checking hazard regression models using pseudo-observations.
Checking hazard regression models using pseudo-observations.
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DOI:
10.1002/sim.3401
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发表时间:
2008-11-10
影响因子:
2
通讯作者:
Andersen, Per Kragh
中科院分区:
文献类型:
--
作者:
Perme, Maja Pohar;Andersen, Per Kragh
关键词:
Graphical methods for model diagnostics are an essential part of the model fitting procedure. However, in survival analysis, the plotting is always hampered by the presence of censoring. Although model specific solutions do exist and are commonly used, we present a more general approach that covers all the models using the same framework. The pseudo-observations enable us to calculate residuals for each individual at each time point regardless of censoring and provide methods for simultaneously checking all the assumptions of both the Cox and the additive model. We introduce methods for single as well as multiple covariate cases and complement them with corresponding goodness-of-fit tests. The methods are illustrated on simulated as well as real data examples. Copyright © 2008 John Wiley & Sons, Ltd.
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