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标题: An Extension of Chen’s Family of Survival Distributions with Bathtub Shape o... [打印本页]

作者: 杨利霞 时间: 2020-12-25 15:25
标题: An Extension of Chen’s Family of Survival Distributions with Bathtub Shape o...

An Extension of Chen’s Family of Survival

Distributions with Bathtub Shape or Increasing

Hazard Rate Function

In this article we introduce an extension of Chen’s (2000) family of distributions given
by Lehman alternatives (see Gupta et al., 1998) that is shown to present another
alternative to the generalized Weibull and exponentiated Weibull families for modeling
survival data. The extension proposed here can be seen as the extension to the Chen’s
distribution as the exponentiated Weibull is to the Weibull. A detailed analysis of the
density and hazard shapes is carried out. The new model is also seen to fit well to the
flood data used in fitting the exponentiated Weibull model in Mudholkar and Hutson
(1996).

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