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http://dx.doi.org/10.14400/JDC.2014.12.3.219

The Comparative Software Reliability Cost Model of Considering Shape Parameter  

Kim, Kyung-Soo (Dept. of Internet information, BaekSeok Culture University)
Kim, Hee-Cheul (Dept. of Industrial & Management Engineering, Namseoul University)
Publication Information
Journal of Digital Convergence / v.12, no.3, 2014 , pp. 219-226 More about this Journal
Abstract
In this study, reliability software cost model considering shape parameter based on life distribution from the process of software product testing was studied. The shape parameter using the Erlang and Log-logistic model that is widely used in the field of reliability problems presented. The software failure model was used finite failure non-homogeneous Poisson process model, the parameters estimation using maximum likelihood estimation was conducted. In comparison result of software cost model based on the Erlang distribution and the log-logistic distribution software cost model, because Erlang model is to predict the optimal release time can be software, but the log-logistic model to predict to optimal release time can not be, Erlang distribution than the log-logistic distribution appears to be effective. In this research, software developers to identify software development cost some extent be able to help is considered.
Keywords
Shape Parameter; NHPP; Cost Model; Erlang Distribution; Log-logistic Distributionl;
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Times Cited By KSCI : 4  (Citation Analysis)
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