Geometric Semantic Genetic Programming with Reduced trees
This project is an extension of the GSGP Java implementation first presented at https://github.com/luizvbo/gsgp-gd. Some parts of the code are reworked to make it more clear and intuitive. Also, in order to greatly reduce the size of the solutions, the workflow of GSGP-Red has been included in its respective implementation.
- experiments: parameter files for each implementation.
- gsgp and gsgp-red: algorithm implementations in Java.
- scripts: miscellaneous scripts, mostly used for extended analysis of results.
- execute_gsgp.py and execute_gsgp-red.py: customizable execution scripts.
The datasets are not included in this repository to reduce its size. All the datasets used in the publications can be found and downloaded at this link. Each dataset is prepared for a 5-fold cross-validation procedure.
The master-example.txt file inside the experiments directory presents instructions for each parameter (as comments started with '#'). The master files are the only that need to be altered to change the behaviour of the algorithm. The dataset specific files are only to refer to its master and get its input/output paths.
In order to execute the experiments, run the following command line:
java -jar path/to/jar -p path/to/parameter/file
For each implementation, the jar can be found at /out/artifacts. The parameter file to be passed here is the one specific to the desired dataset and not a master file.
- Joao F. B. S. Martins, Luiz Otavio V. B. Oliveira, Luis F. Miranda, Felipe Casadei, and Gisele L. Pappa. Solving the exponential growth of symbolic regression trees in geometric semantic genetic programming. In Proceedings of the Genetic and Evolutionary Computation Conference, GECCO ’18, Kyoto, Japan, 2018. ACM. ISBN 978-1-4503-5618-3/18/07. doi: 10.1145/3205455.3205593
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