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IEICE TRANSACTIONS on Fundamentals

A Statistical Estimation Method of Optimal Software Release Timing Applying Auto-Regressive Models

Tadashi DOHI, Hiromichi MORISHITA, Shunji OSAKI

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Summary :

This paper proposes a statistical method to estimate the optimal software release time which minimizes the expected total software cost incurred in both testing and operation phases. It is shown that the underlying cost minimization problem can be reduced to a graphical one. This implies that the software release problem under consideration is essentially equivalent to a time series forecasting for the software fault-occurrence time data. In order to predict the future fault-occurrence time, we apply three extraordinary auto-regressive models by Singpurwalla and Soyer (1985) as the prediction devices as well as the well-known AR and ARIMA models. Numerical examples are devoted to illustrate the predictive performance for the proposed method. We compare it with the classical exponential software reliability growth model based on the non-homogeneous Poisson process, using actual software fault-occurrence time data.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E84-A No.1 pp.331-338
Publication Date
2001/01/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Reliability, Maintainability and Safety Analysis

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