Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/72379
Title: Practical method for the estimation of software reliability growth in the early stage of testing
Authors: Xie, M. 
Hong, G.Y.
Wohlin, C.
Issue Date: 1997
Source: Xie, M.,Hong, G.Y.,Wohlin, C. (1997). Practical method for the estimation of software reliability growth in the early stage of testing. Proceedings of the International Symposium on Software Reliability Engineering, ISSRE : 116-123. ScholarBank@NUS Repository.
Abstract: The traditional approach of reliability prediction using software reliability growth models requires a large number of failures which might not be available at the beginning of the testing. The commonly used maximum likelihood estimates may not even exist or converge to a reasonable value. In this paper, an approach of making use of information from similar projects in order to obtain an early estimation of one model parameter for a current project is studied. As most of the two-parameter reliability growth models contains one parameter related to the number of faults in the software and a reliability growth rate parameter related to the testing efficiency, information from a similar project can used to estimate the reliability growth rate parameter and the limited failure data from initial testing is used to estimate the other parameter. Our case study shows that this approach is very easy to use as the estimation does not require a numerical algorithm and it always exists. It is also very stable and when the maximum likelihood estimates exist and are reasonable, our approach gives values very close to that, and the approximate confidence interval is overlapping for most cases.
Source Title: Proceedings of the International Symposium on Software Reliability Engineering, ISSRE
URI: http://scholarbank.nus.edu.sg/handle/10635/72379
ISSN: 10719458
Appears in Collections:Staff Publications

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