Non‐parametric Estimation for the Location of a Change‐point in an Otherwise Smooth Hazard Function under Random Censoring

Anestis Antoniadis, Irene Gijbels and Brenda Macgibbon

Scandinavian Journal of Statistics, 2000, vol. 27, issue 3, 501-519

Abstract: A non‐parametric wavelet based estimator is proposed for the location of a change‐point in an otherwise smooth hazard function under non‐informative random right censoring. The proposed estimator is based on wavelet coefficients differences via an appropriate parametrization of the time‐frequency plane. The study of the estimator is facilitated by the strong representation theorem for the Kaplan–Meier estimator established by Lo and Singh (1986). The performance of the estimator is checked via simulations and two real examples conclude the paper.

Date: 2000
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