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Fitness Approximation through Machine Learning
May 22, 2024, 4:43 a.m. | Itai Tzruia, Tomer Halperin, Moshe Sipper, Achiya Elyasaf
cs.LG updates on arXiv.org arxiv.org
Abstract: We present a novel approach to performing fitness approximation in genetic algorithms (GAs) using machine-learning (ML) models, through dynamic adaptation to the evolutionary state. Maintaining a dataset of sampled individuals along with their actual fitness scores, we continually update a fitness-approximation ML model throughout an evolutionary run. We compare different methods for: 1) switching between actual and approximate fitness, 2) sampling the population, and 3) weighting the samples. Experimental findings demonstrate significant improvement in evolutionary …
abstract algorithms approximation arxiv cs.ai cs.lg cs.ne dataset dynamic fitness machine machine learning novel replace state through type update
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