precision = tp / (tp + fp)
recall = tp / (tp + fn)

2023
https://habr.com/ru/articles/775032/
    !!!
2020
https://www.kdnuggets.com/2020/10/imbalanced-data-machine-learning.html
https://machinelearningmastery.com/fbeta-measure-for-machine-learning/
2019
https://machinelearningmastery.com/how-to-calculate-precision-recall-f1-and-more-for-deep-learning-models/