Abstract
We consider the Cox regression model and study the asymptotic global behavior of the Grenander‐type estimator for a monotone baseline hazard function. This model is not included in the general setting of Durot (2007). However, we show that a similar central limit theorem holds for Lp‐error of the Grenander‐type estimator. As an illustration of application of our main result, we propose a test procedure for a Weibull baseline distribution, based on the Lp‐distance between the Grenander estimator and a parametric estimator of the baseline hazard. Simulation studies are performed to investigate the performance of this test.
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