Discrimination Analysis for Predicting Defect‐Prone Software Modules

Ying Ma, Ke Qin and Shunzhi Zhu

Journal of Applied Mathematics, 2014, vol. 2014, issue 1

Abstract: Software defect prediction studies usually build models without analyzing the data used in the procedure. As a result, the same approach has different performances on different data sets. In this paper, we introduce discrimination analysis for providing a good method to give insight into the inherent property of the software data. Based on the analysis, we find that the data sets used in this field have nonlinearly separable and class‐imbalanced problems. Unlike the prior works, we try to exploit the kernel method to nonlinearly map the data into a high‐dimensional feature space. By combating these two problems, we propose an algorithm based on kernel discrimination analysis called KDC to build more effective prediction model. Experimental results on the data sets from different organizations indicate that KDC is more accurate in terms of F‐measure than the state‐of‐the‐art methods. We are optimistic that our discrimination analysis method can guide more studies on data structure, which may derive useful knowledge from data science for building more accurate prediction models.

Date: 2014
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https://doi.org/10.1155/2014/675368

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2014:y:2014:i:1:n:675368

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