A class of Weighted Weibull Distribution

被引:11
作者
Shahbaz, Saman [1 ]
Shahbaz, Muhammad Qaiser [1 ]
Butt, Nadeem Shafique [2 ]
机构
[1] COMSATS Inst IT, Dept Math, Lahore, Pakistan
[2] Univ Punjab, Coll Stat & Actuarial Sci, Lahore, Pakistan
关键词
Weibull distribution; hazard function; moments; likelihood function;
D O I
10.18187/pjsor.v6i1.126
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
The weighted Weibull model is proposed following the method of Azzalini (1985). Basic properties of the distribution including moments, generating function, hazard rate function and estimation of parameters have been studied.
引用
收藏
页码:53 / 59
页数:7
相关论文
共 7 条
[1]  
AZZALINI A, 1985, SCAND J STAT, V12, P171
[2]  
Famoye F., 2005, J STAT THEORY APPL, V4, P121
[3]   A new class of weighted exponential distributions [J].
Gupta, Rameshwar D. ;
Kundu, Debasis .
STATISTICS, 2009, 43 (06) :621-634
[4]   Generalized exponential distributions [J].
Gupta, RD ;
Kundu, D .
AUSTRALIAN & NEW ZEALAND JOURNAL OF STATISTICS, 1999, 41 (02) :173-188
[5]   A generalization of the Weibull distribution with application to the analysis of survival [J].
Mudholkar, GS ;
Srivastava, DK ;
Kollia, GD .
JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 1996, 91 (436) :1575-1583
[6]   EXPONENTIATED WEIBULL FAMILY FOR ANALYZING BATHTUB FAILURE-RATE DATA [J].
MUDHOLKAR, GS ;
SRIVASTAVA, DK .
IEEE TRANSACTIONS ON RELIABILITY, 1993, 42 (02) :299-302
[7]   The beta exponential distribution [J].
Nadarajah, S ;
Kotz, S .
RELIABILITY ENGINEERING & SYSTEM SAFETY, 2006, 91 (06) :689-697