A Goodness-of-Fit Test for Log-Linearity in Cox Proportional Hazards Model Under Monotonic Covariate Effects

A Goodness-of-Fit Test for Log-Linearity in Cox Proportional Hazards Model Under Monotonic Covariate Effects

The Cox proportional hazards (PH) model is widely used because it models the covariates to the hazard through a log-linear effect. However, exploring flexible effects becomes desirable within the Cox PH framework when only a monotonic relationship between covariates and the hazard is assumed. This w...

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Bibliographic Details
Main Authors: Huan Chen, Chuan-Fa Tang
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Mathematics
Subjects:
bootstrap
isotonic proportional hazard model
isotonic regression
Kaplan–Meier estimator
likelihood ratio test
partial likelihood
Online Access:https://www.mdpi.com/2227-7390/13/14/2264
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