Is Your Training Data Representative? A Guide to Checking with PSI in Python

Comparing Variable Distributions Between Two Datasets Using Population Stability Index (PSI) and Cramér’s V. The post Is Your Training Data Representative? A Guide to Checking with PSI in Python appeared first on Towards Data Science.

2025-09-10 23:30 GMT · 7 months ago towardsdatascience.com

Comparing Variable Distributions Between Two Datasets Using Population Stability Index (PSI) and Cramér’s V. The post Is Your Training Data Representative? A Guide to Checking with PSI in Python appeared first on Towards Data Science.

Original: https://towardsdatascience.com/assessment-of-representativeness-between-two-populations-to-ensure-valid-performance-2/