Code for Marcel Wever, Miran Özdogan, and Eyke Hüllermeier. 2023. Cooperative Co-Evolution for Ensembles of Nested Dichotomies for Multi-Class Classification. In Proceedings of the Genetic and Evolutionary Computation Conference (GECCO '23). Association for Computing Machinery, New York, NY, USA, 597–605. https://doi.org/10.1145/3583131.3590457