research how to split given data for classification

[Paeti]

you could split with uniform age ranges or equally-distributed
https://www.vision.ee.ethz.ch/en/publications/papers/articles/eth_biwi_01299.pdf
here is written the last one gives better results
check if it can be done in our given time
you have to talk with the nn groups if they use regression or classification

usefull links:

• http://www.scikit-yb.org/en/develop/api/target/class_balance.html
• https://scikit-learn.org/stable/modules/generated/sklearn.model_selection.StratifiedShuffleSplit.html
• https://imbalanced-learn.org/en/stable/index.html