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A lifetime distribution with decreasing failure rate

K. Adamidis and S. Loukas

Statistics & Probability Letters, 1998, vol. 39, issue 1, 35-42

Abstract: A two-parameter distribution with decreasing failure rate is introduced. Various properties are discussed and the estimation of parameters is studied by the method of maximum likelihood. The estimates are attained by the EM algorithm and expressions for their asymptotic variances and covariances are obtained. Numerical examples based on real data are presented.

Keywords: Compounding; EM; algorithm; Exponential; distribution; Failure; rate; Geometric; distribution; Lifetime; distributions; Maximum; likelihood; estimation; Mean; residual; lifetime (search for similar items in EconPapers)
Date: 1998
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Handle: RePEc:eee:stapro:v:39:y:1998:i:1:p:35-42