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PhFit: a general phase-type fitting tool

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3 Author(s)
Bobbio, A. ; DISTA, Univ. del Piemonte Orientale, Alessandria, Italy ; Horvath, A. ; Telek, M.

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 phase-type 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.

Published in:

Dependable Systems and Networks, 2002. DSN 2002. Proceedings. International Conference on

Date of Conference:

2002