Category: TECH

High-Cardinality Categorical Feature Encoding: Evaluation of Target Encoding, M-Estimation, and Stability-Focused TechniquesHigh-Cardinality Categorical Feature Encoding: Evaluation of Target Encoding, M-Estimation, and Stability-Focused Techniques

Modern machine learning pipelines frequently encounter categorical variables with thousands or even millions of unique values. Examples include user IDs, product SKUs, ZIP codes, or device identifiers. These are known