Glossary: ML Beyond the Basics
High-cardinality
Also written: high cardinality
Describes a categorical column with many distinct values, like `zip_code` with 2,598 values. One-hot encoding would add thousands of nearly empty columns.
Glossary: ML Beyond the Basics
Also written: high cardinality
Describes a categorical column with many distinct values, like `zip_code` with 2,598 values. One-hot encoding would add thousands of nearly empty columns.