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{{ header }}
.. _api.groupby:
=======
GroupBy
=======
.. currentmodule:: pandas.core.groupby
GroupBy objects are returned by groupby calls: :func:`pandas.DataFrame.groupby`, :func:`pandas.Series.groupby`, etc.
Indexing, iteration
-------------------
.. autosummary::
:toctree: api/
GroupBy.__iter__
GroupBy.groups
GroupBy.indices
GroupBy.get_group
.. currentmodule:: pandas
.. autosummary::
:toctree: api/
:template: autosummary/class_without_autosummary.rst
Grouper
.. currentmodule:: pandas.core.groupby
Function application
--------------------
.. autosummary::
:toctree: api/
GroupBy.apply
GroupBy.agg
SeriesGroupBy.aggregate
DataFrameGroupBy.aggregate
SeriesGroupBy.transform
DataFrameGroupBy.transform
GroupBy.pipe
Computations / descriptive stats
--------------------------------
.. autosummary::
:toctree: api/
GroupBy.all
GroupBy.any
GroupBy.bfill
GroupBy.backfill
GroupBy.count
GroupBy.cumcount
GroupBy.cummax
GroupBy.cummin
GroupBy.cumprod
GroupBy.cumsum
GroupBy.ffill
GroupBy.first
GroupBy.head
GroupBy.last
GroupBy.max
GroupBy.mean
GroupBy.median
GroupBy.min
GroupBy.ngroup
GroupBy.nth
GroupBy.ohlc
GroupBy.pad
GroupBy.prod
GroupBy.rank
GroupBy.pct_change
GroupBy.size
GroupBy.sem
GroupBy.std
GroupBy.sum
GroupBy.var
GroupBy.tail
The following methods are available in both ``SeriesGroupBy`` and
``DataFrameGroupBy`` objects, but may differ slightly, usually in that
the ``DataFrameGroupBy`` version usually permits the specification of an
axis argument, and often an argument indicating whether to restrict
application to columns of a specific data type.
.. autosummary::
:toctree: api/
DataFrameGroupBy.all
DataFrameGroupBy.any
DataFrameGroupBy.backfill
DataFrameGroupBy.bfill
DataFrameGroupBy.corr
DataFrameGroupBy.count
DataFrameGroupBy.cov
DataFrameGroupBy.cumcount
DataFrameGroupBy.cummax
DataFrameGroupBy.cummin
DataFrameGroupBy.cumprod
DataFrameGroupBy.cumsum
DataFrameGroupBy.describe
DataFrameGroupBy.diff
DataFrameGroupBy.ffill
DataFrameGroupBy.fillna
DataFrameGroupBy.filter
DataFrameGroupBy.hist
DataFrameGroupBy.idxmax
DataFrameGroupBy.idxmin
DataFrameGroupBy.mad
DataFrameGroupBy.nunique
DataFrameGroupBy.pad
DataFrameGroupBy.pct_change
DataFrameGroupBy.plot
DataFrameGroupBy.quantile
DataFrameGroupBy.rank
DataFrameGroupBy.resample
DataFrameGroupBy.sample
DataFrameGroupBy.shift
DataFrameGroupBy.size
DataFrameGroupBy.skew
DataFrameGroupBy.take
DataFrameGroupBy.tshift
DataFrameGroupBy.value_counts
The following methods are available only for ``SeriesGroupBy`` objects.
.. autosummary::
:toctree: api/
SeriesGroupBy.hist
SeriesGroupBy.nlargest
SeriesGroupBy.nsmallest
SeriesGroupBy.unique
SeriesGroupBy.is_monotonic_increasing
SeriesGroupBy.is_monotonic_decreasing
The following methods are available only for ``DataFrameGroupBy`` objects.
.. autosummary::
:toctree: api/
DataFrameGroupBy.corrwith
DataFrameGroupBy.boxplot
|
