With Machine Learning in Python, you may do feature selection with SelectKBest. As I just confirmed, this method sometimes returns faulty results. This potentially impacts the accuracy of numerous ML models worldwide. Below the details and the way out. The
Don’t trust Data Science. Ask the people
Can intuition beat the popular data science tools? Is SelectKBest, the popular feature selection method, wrong? Here is a story of a recent project. The story ends with a puzzle which I cannot solve. Help is welcome. Both data and