Log-concavity and relative log-concave ordering of compound distributions

被引:0
|
作者
Xia, Wanwan [1 ]
Lv, Wenhua [2 ]
机构
[1] Nanjing Tech Univ, Sch Phys & Math Sci, Nanjing, Jiangsu, Peoples R China
[2] Chuzhou Univ, Sch Math Sci, Chuzhou, Anhui, Peoples R China
关键词
Binomial distribution; Compound distribution; Entropy; Log-concavity; Negative binomial distribution; ENTROPY;
D O I
10.1017/S0269964823000293
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper, we compare the entropy of the original distribution and its corresponding compound distribution. Several results are established based on convex order and relative log-concave order. The necessary and sufficient condition for a compound distribution to be log-concave is also discussed, including compound geometric distribution, compound negative binomial distribution and compound binomial distribution.
引用
收藏
页码:579 / 593
页数:15
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