EpistasisLab / tpot / 1746 / 2

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master: 96%

Pull #1004

travis-ci

modifying pretest sample selection function to account for highly imbalanced datasets

pretest_* member variable are used to check dataset and pipeline compatibility. With highly imbalanced classification tasks the chance that a sample contains a single class arises. These changes ensure that at least one label for each class is included in the pretest dataset.

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