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S-Shaped Reliability Growth Modeling for Software Error Detection

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3 Author(s)
Yamada, Shigeru ; Okayama University of Science, Okayama; Department of Industrial and Systems Engineering; Faculty of Engineering; Hiroshima University; Higashi-Hiroshima 724 JAPAN. ; Ohba, Mitsuru ; Osaki, S.

This paper investigates a stochastic model for a software error detection process in which the growth curve of the number of detected software errors for the observed data is S-shaped. The software error detection model is a nonhomogeneous Poisson process where the mean-value function has an S-shaped growth curve. The model is applied to actual software error data. Statistical inference on the unknown parameters is discussed. The model fits the observed data better than other models.

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Reliability, IEEE Transactions on  (Volume:R-32 ,  Issue: 5 )