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Testing the Existence of Change-Point in NHPP Software Reliability Models

机译:在NHPP软件可靠性模型中测试变更点的存在

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摘要

In the software testing process, the nature of the failure data is affected by many factors, such as the testing environment, testing strategy, and resource allocation. These factors are unlikely to all be kept stable during the entire process of software testing. As a result, the statistical structure of the failure data is likely to experience major changes. Recently, some useful non homogeneous Poisson process (NHPP) models with change-point are proposed. However, in many realistic situations, whether a change-point exists is unknown. Furthermore, some real data seem to have two or more change-points. In this article we propose test statistics to test the existence of change-point(s). The experimental results of real data show that our tests perform well.
机译:在软件测试过程中,故障数据的性质受许多因素影响,例如测试环境,测试策略和资源分配。在软件测试的整个过程中,这些因素不可能都保持稳定。结果,故障数据的统计结构可能会发生重大变化。最近,提出了一些有用的具有变化点的非齐次泊松过程(NHPP)模型。但是,在许多现实情况下,是否存在更改点是未知的。此外,某些实际数据似乎具有两个或多个更改点。在本文中,我们提出了测试统计数据,以测试变更点的存在。真实数据的实验结果表明,我们的测试表现良好。

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