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Andrea Bobbio DISTA,

By Universit√† Del Piemonte Orientale


PhFit, a new Phase-type fitting tool is presented in this paper. PhFit allows for approximating distributions or set of samples not only by continuous but by discrete Phasetype distributions as well. The implemented algorithms separate the fitting of the body and the tail part of the distribution which results in satisfactory fitting also for heavy-tail distributions. Moreover, PhFit allows the user to choose the distance measure according to which the fitting is performed. The tool is equipped with a graphical interface that visualizes the goodness of the provided approximation from several aspects. Keywords: Phase-type distribution, Phase-type fitting

Year: 2009
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