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Phase-type fitting using hyperstar

Reinecke, Philipp, Krauß, Tilman and Wolter, Katinka 2013. Phase-type fitting using hyperstar. Lecture notes in computer science 8168 10.1007/978-3-642-40725-3_13

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Abstract

In this paper we provide a hands-on discussion of the use of the HyperStar phase-type fitting tool in common application scenarios. HyperStar allows fitting Hyper-Erlang distributions to empirical data, using a variety of algorithms and operation modes. We describe simple cluster-based fitting, a new graphical method for refining the density approximation, a new command-line interface, and the integration of HyperStar with a Mathematica implementation of a fitting algorithm. Furthermore, we describe the use of Hyper-Erlang distributions in simulation. Throughout our discussion we illustrate the concepts on a data set which has been shown to be difficult to fit with a PH distribution.

Item Type: Article
Status: Published
Schools: Computer Science & Informatics
ISSN: 1611-3349
Last Modified: 19 Aug 2019 15:00
URI: http://orca.cf.ac.uk/id/eprint/124330

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