Alexandra PukhovaBattling Data Imbalance in IBM HR Attrition ChallengeLet me begin with some stats: as per HBR, an average U.S. corporate employer spends a staggering $4,129 per single hire (Cappelli, 2019)…10 min read·Apr 24, 2020----
Alexandra PukhovaPrincipal Component Analysis for Logistic Regression with scikit-learnThe more features the merrier! (?) Not exactly. In machine learning, there are two main reasons why a greater number of features does not…8 min read·Dec 20, 2019----