Assessing (Software) Reliability Growth Using a Random Coefficient Autoregressive Process and Its Ramifications
- 1 December 1985
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Software Engineering
- Vol. SE-11 (12), 1456-1464
- https://doi.org/10.1109/tse.1985.231889
Abstract
In this paper we motivate a random coefficient autoregressive process of order 1 for describing reliability growth or decay. We introduce several ramifications of this process, some of which reduce it to a Kalman Filter model. We illustrate the usefulness of our approach by applying these processes to some real life data on software failures. Finally, we make a pairwise comparison of the models in terms of the ratio of likelihoods of their predictive distributions, and identify the "best" model.Keywords
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