Browsing by Author "HASSEN, SHAHO ISMAEL HASSEN"
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Item A NEW METHOD FOR SOFTWARE DEFECT PREDICTION BASED ON OPTIMIZED MACHINE LEARNING TECHNIQUES(2022-03-01) HASSEN, SHAHO ISMAEL HASSEN; YAZICI, Ali; MISHRA, AlokIn this thesis a novel and robust heuristic driven neuro-computing model was developed for software defect prediction. Unlike other classical machine learning models, neuro-computing, especially Levenberg Marquardt Neural Network (LM ANN), is considered to be more robust in terms of adaptive learning, which can be vital towards non-linear feature learning and hence defect data. However, similar to the other machine learning models, the likelihood of local minima and convergence could not be avoided due to exceedingly high weight estimation for 17 input features. Considering this fact, this research contributed a novel improved genetic algorithm, say heuristic model was developed to assist ANN for adaptive weight estimation and update during learning. Here, the key purpose of heuristic model was to help LM-ANN gaining superior weight estimation, update and hence learning without undergoing any local minima and convergence problem. This as a result helped the proposed neuro computing model to achieve higher accuracy than the classical neural network over targeted software fault datasets. In addition to the classifier or machine learning improvement, in this research the focus was made on feature engineering as well that helped alleviating any probability of class imbalance, over-fitting and convergence.