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Publications
Segovia, M.C. and Guedes Soares, C. (2008), “Comparison of phase-type distributions with mixed and additive Weibull models”, Safety, Reliability and Risk Analysis: Theory, Methods and Applications, Taylor & Francis Group, London, U.K., pp. 881-889
The parametric estimation is performed for two models based on the Weibull distribution: the mixture of Weibull distributions and the additive Weibull model. The estimation is carried out by a method which use the Kolmogorov-Smirnov distance as the objective. Phase-type distributions are introduced and a comparison is made between the fitted Weibull models and the phase-type fit to various sets of life data.
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