The complementary exponential power lifetime model

被引：20

作者：

Barriga, Gladys D. C. ^{[3
]}

Louzada-Neto, Franscisco ^{[1
]}

Cancho, Vicente G. ^{[2
]}

机构：

[1] Univ Fed Sao Carlos, DEs, BR-13560 Sao Carlos, SP, Brazil

[2] Univ Sao Paulo, ICMC, BR-05508 Sao Paulo, Brazil

[3] Univ Estadual Paulista, FEB, Sao Paulo, Brazil

来源：

COMPUTATIONAL STATISTICS & DATA ANALYSIS | 2011年 / 55卷 / 03期

关键词：

Exponential power distribution; Bathtub shaped hazard function; Unimodal hazard function; Lifetime data; WEIBULL DISTRIBUTION; BATHTUB; SHAPE;

D O I：

10.1016/j.csda.2010.09.005

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this paper we propose a new lifetime distribution which can handle bathtub-shaped unimodal increasing and decreasing hazard rate functions The model has three parameters and generalizes the exponential power distribution proposed by Smith and Bain (1975) with the inclusion of an additional shape parameter The maximum likelihood estimation procedure is discussed A small-scale simulation study examines the performance of the likelihood ratio statistics under small and moderate sized samples Three real datasets Illustrate the methodology (C) 2010 Elsevier B V All rights reserved

引用

页码：1250 / 1259

页数：10

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