Tweeted By @radekosmulski
How to avoid leakage in preprocessing or splitting your data?
β Radek Osmulski πΊπ¦ (@radekosmulski) August 4, 2022
This talk is a superb resource on this topic
By the way, this highlights the value of @kaggle -- it is only in a competitive setting that such nuanced but important DS concepts come to life!https://t.co/ocvPV24LhJ