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2021NeurIPS

Symbolic Regression via Deep Reinforcement Learning Enhanced Genetic Programming Seeding

T. Nathan Mundhenk, Mikel Landajuela, Ruben Glatt et al.

What this work does

Uses a recurrent expression generator to seed short genetic-programming runs and trains the generator using its own samples plus selected high-performing evolved expressions.

Connection to discovery

Shows how trajectories or candidates improved by a non-neural search process can become training data for a discovery proposal policy.

Evidence

Inspected the sample-sharing algorithm and comparisons with random-restart GP and neural-only search.

Scope and limitations

Selected GP samples are off-policy relative to the generator. Symbolic-regression recovery within a fixed operator grammar does not establish general scientific autonomy.

THE RESEARCH CONVERSATION

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