Monitoring Pareto Type IV SRGM using SPC

Sridevi Gutta, Satya R Prasad

Abstract


The Reliability of the Software Process can be monitored efficiently using Statistical Process Control (SPC). SPC is the application of statistical techniques to control a process. SPC is a study of the best ways of describing and analyzing the data and then drawing conclusion or inferences based on available data. With the help of SPC the software development team can identify software failure process and find out actions to be taken which assures better software reliability. This paper provides a control mechanism based on the cumulative observations of Interval domain data using mean value function of Pareto type IV distribution, which is based on Non-Homogenous Poisson Process (NHPP). The unknown parameters of the model are estimated using maximum likelihood estimation approach. Besides it also presents an analysis of failure data sets at a particular point and compares Pareto Type II and Pareto Type IV models.


Keywords


Software Reliability; NHPP; Pareto type IV distribution; Parameter Estimation; Interval Domain data; ML Estimation; Statistical Process Control; Mean value function; Control charts;

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