Kumaraswamy Marshall-Olkin Logistic Exponential分布

被引:0
|
作者
刘焱哲 [1 ]
贾俊梅 [1 ]
闫在在 [1 ]
机构
[1] 内蒙古工业大学理学院
关键词
Logistic-Exponential分布; 矩; 极大似然方法; 次序统计量;
D O I
10.13860/j.cnki.sltj.20200818-011
中图分类号
O213.2 [可靠性理论];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
本文通过Kumaraswamy Marshall-Olkin扩展方法引进并研究了一个新的五参数寿命分布,称为 Kumaraswamy Marshall-Olkin Logistic-Exponential 分布,它包含六种特殊情形,如Marshall-Olkin Exponential分布,Logistic-Exponential分布等。新分布比它的特殊情形及一些其他分布具有更好的数据拟合性能,其失效率函数主要有六种形状,即S型、常数型、递增的、递减的、浴盆型和倒浴盆型。研究了新分布的性质,得到分位数函数、普通矩、不完全矩、矩母函数、邦弗朗尼(Bonferroni)和洛伦兹(Lorenz)曲线、平均差、随机序和次序统计量的可计算表达式。使用极大似然方法估计分布参数,并利用蒙特卡洛模拟方法对极大似然估计的性能进行数值评价。两个实际数据集分布拟合分析表明提出模型具有应用可能性。
引用
收藏
页码:654 / 670
页数:17
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