Bivariate extension of generalized cumulative past entropy

Amarjit Kundu and Chanchal Kundu

Communications in Statistics - Theory and Methods, 2018, vol. 47, issue 8, 1962-1977

Abstract: The cumulative past entropy (CPE) of order α, a dual measure of cumulative residual entropy (CRE) of order α, has recently been proposed as a suitable extension of CPE. In this article, we extend the definition of (dynamic) CPE of order α (DCPE(α)) to bivariate setup and obtain some of its properties including bounds. We also look into the problem of extending DCPE(α) for conditionally specified models. Several properties, including monotonicity, and bounds of DCPE(α) are obtained for conditional distributions. Along with some characterization results it is shown that the proposed generalized measure uniquely determines the distribution function. Moreover, we also propose a stochastic order based on this measure and prove interrelation with some existing stochastic orders.

Date: 2018
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DOI: 10.1080/03610926.2017.1335412

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