Parameter estimation of Lindley step stress model with independent competing risk under type 1 censoring

Sharon Varghese A and V. S. Vaidyanathan

Communications in Statistics - Theory and Methods, 2020, vol. 49, issue 12, 3026-3043

Abstract: In literature, Lindley distribution is considered as an alternative to exponential distribution to fit lifetime data. In the present work, a Lindley step-stress model with independent causes of failure is proposed. An algorithm to generate random samples from the proposed model under type 1 censoring scheme is developed. Point and interval estimation of the model parameters is carried out using maximum likelihood method and percentile bootstrap approach. To understand the effectiveness of the resulting estimates, numerical illustration is provided based on simulated and real-life data sets.

Date: 2020
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DOI: 10.1080/03610926.2019.1584317

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