Symbolically Regressing Fish Biomass Spectral Data: A Linear Genetic Programming Method with Tunable Primitives

• URL: http://arxiv.org/abs/2505.21901v1
• Date: Wed, 28 May 2025 02:27:49 GMT
• Title: Symbolically Regressing Fish Biomass Spectral Data: A Linear Genetic Programming Method with Tunable Primitives
• Authors: Zhixing Huang, Bing Xue, Mengjie Zhang, Jeremy S. Ronney, Keith C. Gordon, Daniel P. Killeen,
• Abstract summary: This paper models fish biomass spectral data as a symbolic regression problem and solves it by a linear genetic programming method.<n>In the symbolic regression problem, linear genetic programming automatically synthesizes regression models based on the given primitives and training data.<n>Our empirical results over ten fish biomass targets show that the proposed method improves the overall performance of fish biomass composition prediction.
• Score: 5.163542749660303
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Machine learning techniques play an important role in analyzing spectral data. The spectral data of fish biomass is useful in fish production, as it carries many important chemistry properties of fish meat. However, it is challenging for existing machine learning techniques to comprehensively discover hidden patterns from fish biomass spectral data since the spectral data often have a lot of noises while the training data are quite limited. To better analyze fish biomass spectral data, this paper models it as a symbolic regression problem and solves it by a linear genetic programming method with newly proposed tunable primitives. In the symbolic regression problem, linear genetic programming automatically synthesizes regression models based on the given primitives and training data. The tunable primitives further improve the approximation ability of the regression models by tuning their inherent coefficients. Our empirical results over ten fish biomass targets show that the proposed method improves the overall performance of fish biomass composition prediction. The synthesized regression models are compact and have good interpretability, which allow us to highlight useful features over the spectrum. Our further investigation also verifies the good generality of the proposed method across various spectral data treatments and other symbolic regression problems.

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