A Cross-Project Software Aging Defect Prediction Method
A software aging and prediction method technology, applied in software testing/debugging, computer components, error detection/correction, etc., can solve problems such as overfitting, large difference in prediction effect, and reduce migration effect, so as to avoid loss, The effect of improving prediction accuracy and strong robustness
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0021] Step 1, data preprocessing is carried out to the data of the source item and the target item.
[0022] Data preprocessing mainly refers to the standardization of data. This method is often used to assign all features with the same weight
[0023]
[0025] Step 2, using Joint Distribution Domain Adaptation (JDA) to reduce data distribution differences.
[0028] Maximum Mean Difference (MMD) is used to represent this distance. Our goal is to find the transform A such that the transformed edge
[0030]
[0032]
[0034]
[0036]
[0038]
[0039] s.t.A
[0040] Wherein represents the regular term, H represents the center matrix, and I represents the identity matrix. By using Laplace's square
[0041]
[0042] where φ represents the Laplacian kernel. Transform A is calculated.
[0046]
[0048]
[0050]
[0052] Step 4, using machine learning method to ...
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