The Weibull-G Family of Probability Distributions

10.6339/JDS.2014.12(1).1210

Marcelo Bourguignon；Rodrigo B. Silva；Gauss M. Cordeiro

Generalized distribution ； lifetime ； maximum likelihood estimation ； order statistic ； Weibull distribution

Journal of Data Science

12卷1期（2014 / 01 / 01）

53 - 68

英文

The Weibull distribution is the most important distribution for problems in reliability. We study some mathematical properties of the new wider Weibull-G family of distributions. Some special models in the new family are discussed. The properties derived hold to any distribution in this family. We obtain general explicit expressions for the quantile function, ordinary and incomplete moments, generating function and order statistics. We discuss the estimation of the model parameters by maximum likelihood and illustrate the potentiality of the extended family with two applications to real data.

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