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Multi-generation multi-criteria feature construction using Genetic Programming
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AI
DOI：10.1016/j.swevo.2023.101285.png)
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Abstract
En 中文
The purpose of feature construction is to create new high level features from the original features. When Genetic Programming (GP) is applied to wrapper-based feature construction, especially when the samples size is small, GP generally overfits the training set and generalizes poorly with the deepening of evolution. Overfitting has attracted wide attention in some classification models, however, it is not commonly studied in the field of feature construction. In this paper, a Multi-Generation feature construction method (MG) is developed to preserve the solutions produced by multiple generations of GP. A Multi-Criteria feature construction method (MC) is introduced to use a multi-criteria evaluation function to evaluate GP individuals. Combining the above two methods, a Multi-Generation Multi-Criteria feature construction method (MGMC) is proposed. Experiments on fourteen datasets show that the proposed MG and MC methods can improve the classification performance and overcome overfitting problems of traditional feature construction methods in most cases. The combined MGMC method further improves the classification performance and achieves the best results.
Keywords:
Feature construction
Genetic programming
Overfitting
Multi-generation
Multi-criteria
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