Interpret Model Metrics, Regularization, and Resampling Fundamentals
Company: J.P. Morgan
Role: Data Scientist
Category: Statistics & Math
Difficulty: medium
Interview Round: HR Screen
Overview: A statistics and machine-learning screening interview covering imbalanced-classification metrics, lift curves, Cohen's kappa, adjusted R-squared, L1 and L2 regularization, coin probabilities, bootstrap sampling, bagging, and combinatorics.