Group Data

Groups rows that have the same values into summary rows.

The following operations can be applied to groups.

• Aggregation: Compute a summary statistic about each group.
• Transformation: Perform some group-specific computations and return a like-indexed.
• Filtration: Discard data with some condition.

Split into groups

Aggregatikon

Compute a summary statistic about each group.

Transformation

Perform some group-specific computations and return an object that is the same size as the one being grouped.

Filtration

Discard data with some condition.

See also

• Group by in the panda User Guide.