CHANGE POINT ESTIMATION IN
NON-MONOTONIC AGING MODELS

MURARI MITRA 1 AND SUJIT K. BASU 2

1 Division of Theoretical Statistics and Mathematics, Indian Statistical Institute,
203, B.T. Road, Calcutta 700 035, India
2 Indian Institute of Management, Joka, Diamond Harbour Road,
Post Office Box No. 16757, Calcutta 700 027, India

(Received March 14, 1994; revised December 5, 1994)

Abstract.    The problem of estimating change points in various non-monotonic aging models is considered. A general methodology for consistent estimation of the change point is developed and applied to non-monotonic aging models based on the hazard rate function as well as on the mean residual life function.

Key words and phrases:    Non-monotonic aging, NWBUE, IDMRL, BFR life distributions, change points.

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