Discrete Linnik Weibull distribution

被引:7
作者
Jayakumar, K. [1 ]
Sankaran, K. K. [1 ]
机构
[1] Univ Calicut, Dept Stat, Malappuram, Kerala, India
关键词
Discrete Linnik distribution; Distribution of order statistics; Marshall-Olkin family of distributions; Maximum likelihood; Truncated discrete Mittag-Leffler distribution; Truncated negative binomial distribution; Weibull distribution; PARAMETER; BATHTUB;
D O I
10.1080/03610918.2018.1475009
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
We introduce a new family of distributions using truncated discrete Linnik distribution. This family is a rich family of distributions which includes many important families of distributions such as Marshall-Olkin family of distributions, family of distributions generated through truncated negative binomial distribution, family of distributions generated through truncated discrete Mittag-Leffler distribution etc. Some properties of the new family of distributions are derived. A particular case of the family, a five parameter generalization of Weibull distribution, namely discrete Linnik Weibull distribution is given special attention. This distribution is a generalization of many distributions, such as extended exponentiated Weibull, exponentiated Weibull, Weibull truncated negative binomial, generalized exponential truncated negative binomial, Marshall-Olkin extended Weibull, Marshall-Olkin generalized exponential, exponential truncated negative binomial, Marshall-Olkin exponential and generalized exponential. The shape properties, moments, median, distribution of order statistics, stochastic ordering and stress-strength properties of the new generalized Weibull distribution are derived. The unknown parameters of the distribution are estimated using maximum likelihood method. The discrete Linnik Weibull distribution is fitted to a survival time data set and it is shown that the distribution is more appropriate than other competitive models.
引用
收藏
页码:3092 / 3117
页数:26
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