No. 40 (299), issue 14Pages 156 - 161 # Estimation of Parameters for S-shaped Software Reliability Growth Models According to Data Collected During Previous Releases

V.A. Gerasimov This article is devoted to the selection of parameters for software reliability modeling. This article considers the process of selecting the parameters for S-shaped growth model of software reliability based on data on failures in previous releases, compares the accuracy of the model at different ways of selection parameters. Goel-Okumoto model is used as basic model. This model is based on data on failures in the program over a certain period of time. In order to obtain appropriate estimates using this model a certain amount of failure data, which are not available until the system has been tested for a long enough period of time, is required. Statistical data collected for three consecutive releases of the software industry scale are used as experimental data. Evaluation of mode parameters is performed by using maximum likelihood function.

Full text- Keywords
- software reliability, software reliability growth models, Goel-Okumoto S-shaped model.
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