GroupedData API

GroupedData objects are returned by groupby call: Dataset.groupby().

Constructor

grouped_data.GroupedData

Represents a grouped dataset created by calling Dataset.groupby().

Computations / Descriptive Stats

grouped_data.GroupedData.count	Compute count aggregation.
grouped_data.GroupedData.sum	Compute grouped sum aggregation.
grouped_data.GroupedData.min	Compute grouped min aggregation.
grouped_data.GroupedData.max	Compute grouped max aggregation.
grouped_data.GroupedData.mean	Compute grouped mean aggregation.
grouped_data.GroupedData.std	Compute grouped standard deviation aggregation.

Function Application

grouped_data.GroupedData.aggregate	Implements an accumulator-based aggregation.
grouped_data.GroupedData.map_groups	Apply the given function to each group of records of this dataset.

Aggregate Function

aggregate.AggregateFn

Defines an aggregate function in the accumulator style.