Genetic Programming

Volume 2610 of the series Lecture Notes in Computer Science pp 70-82


Improving Symbolic Regression with Interval Arithmetic and Linear Scaling

  • Maarten KeijzerAffiliated withComputer Science Department, Free University Amsterdam

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The use of protected operators and squared error measures are standard approaches in symbolic regression. It will be shown that two relatively minor modifications of a symbolic regression system can result in greatly improved predictive performance and reliability of the induced expressions. To achieve this, interval arithmetic and linear scaling are used. An experimental section demonstrates the improvements on 15 symbolic regression problems.