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http://dx.doi.org/10.17661/jkiiect.2016.9.6.566

The Comparative Software Development Cost Model Considering the Change in the Shape Parameter of the Erlang Distribution  

Yang, Tae-Jin (Academic Cooperation Foundation, Namseoul University)
Publication Information
The Journal of Korea Institute of Information, Electronics, and Communication Technology / v.9, no.6, 2016 , pp. 566-572 More about this Journal
Abstract
Software Reliability implemented in software development is one of the most important issues. In finite failure NHPP software reliability models for software failure analysis, the hazard function that means a failure rate may have constant independently for failure time, non-increasing or non-decreasing pattern. In this study, software development cost analysis considering the variable shape parameter of Erlang distribution as the failure life distribution in the software product testing process was studied. The software failure model was applied finite failure Non-Homogeneous Poisson Procedure and the parameters approximation using maximum likelihood estimation was accompanied. Thus, this paper was presented comparative analysis by applying a software failure time data to the software, considering the shape parameter of Erlang distribution for development cost model analysis. When compared to the cost curve in accordance with the shape parameter, the model of smaller shape can be seen that the optimal software release time delay and more cost. Through this study, it is thought that it can serve as a preliminary information which can basically help the software developers to search for development cost according to software shape parameters.
Keywords
Software development Cost model; NHPP; Erlang Distribution; Finite Failure Model;
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Times Cited By KSCI : 2  (Citation Analysis)
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