See also

• The official documentation of the sklearn.model_selection.train_test_split function: https://scikit-learn.org/stable/modules/generated/sklearn.model_selection.train_test_split.html
• Data Splitting, Charles University: https://www.mff.cuni.cz/veda/konference/wds/proc/pdf10/WDS10_105_i1_Reitermanova.pdf