期刊名称：Journal of Statistical Theory and Applications (JSTA)
电子版ISSN：1538-7887
出版年度：2016
卷号：15
期号：2
页码：198-207
DOI：10.2991/jsta.2016.15.2.9
语种：English
出版社：Atlantis Press
摘要：We show that the Fisher information matrix of the Birnbaum–Saunders distribution can present numerical problems for some values of the shape parameter. To overcome this problem, we provide a simple analytical approximation which works very well.
关键词：Birnbaum–Saunders distribution; Fatigue life distribution; Fisher information matrix; Lifetime data; Fatigue life problems.
