Software defect prediction method and system based on TAN semi-naive Bayesian network
A software defect prediction and Bayesian network technology, which is applied in software testing/debugging, computer parts, character and pattern recognition, etc., can solve the problem of low prediction accuracy, poor computing performance, and fully connected Bayesian network classification prediction model Problems such as large space overhead, to achieve the effect of reducing space-time overhead, repairing labor costs, and improving prediction performance
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[0080] like figure 1 According to a kind of software defect prediction method based on TAN semi-naive Bayesian network provided by the present invention, the specific implementation method includes the following steps:
[0081] Step S1: Collect software defect records composed of software function description, defect description, defect type and other information in historical projects, format and store data after data sorting, cleaning and optimization, and form a training data set that can be used for software defect prediction.
[0082] Step S2: Use the software function descriptions of historical items in the training data set as the training text set D, summarize all defect types in the training data set as the prediction classification set Y, and use the defect types associated with the software function descriptions as the training text set D Classification label c for each training text.
[0083] Specifically include the following steps:
[0084] Step S21: format the...
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