Getting started
User Guide
API reference
Development
Release Notes
Input/output
General functions
Series
DataFrame
Pandas arrays
Panel
Index objects
Date offsets
Window
GroupBy
pandas.core.groupby.GroupBy.__iter__
pandas.core.groupby.GroupBy.groups
pandas.core.groupby.GroupBy.indices
pandas.core.groupby.GroupBy.get_group
pandas.Grouper
pandas.core.groupby.GroupBy.apply
pandas.core.groupby.GroupBy.agg
pandas.core.groupby.GroupBy.aggregate
pandas.core.groupby.GroupBy.transform
pandas.core.groupby.GroupBy.pipe
pandas.core.groupby.GroupBy.all
pandas.core.groupby.GroupBy.any
pandas.core.groupby.GroupBy.bfill
pandas.core.groupby.GroupBy.count
pandas.core.groupby.GroupBy.cumcount
pandas.core.groupby.GroupBy.cummax
pandas.core.groupby.GroupBy.cummin
pandas.core.groupby.GroupBy.cumprod
pandas.core.groupby.GroupBy.cumsum
pandas.core.groupby.GroupBy.ffill
pandas.core.groupby.GroupBy.first
pandas.core.groupby.GroupBy.head
pandas.core.groupby.GroupBy.last
pandas.core.groupby.GroupBy.max
pandas.core.groupby.GroupBy.mean
pandas.core.groupby.GroupBy.median
pandas.core.groupby.GroupBy.min
pandas.core.groupby.GroupBy.ngroup
pandas.core.groupby.GroupBy.nth
pandas.core.groupby.GroupBy.ohlc
pandas.core.groupby.GroupBy.prod
pandas.core.groupby.GroupBy.rank
pandas.core.groupby.GroupBy.pct_change
pandas.core.groupby.GroupBy.size
pandas.core.groupby.GroupBy.sem
pandas.core.groupby.GroupBy.std
pandas.core.groupby.GroupBy.sum
pandas.core.groupby.GroupBy.var
pandas.core.groupby.GroupBy.tail
pandas.core.groupby.DataFrameGroupBy.all
pandas.core.groupby.DataFrameGroupBy.any
pandas.core.groupby.DataFrameGroupBy.bfill
pandas.core.groupby.DataFrameGroupBy.corr
pandas.core.groupby.DataFrameGroupBy.count
pandas.core.groupby.DataFrameGroupBy.cov
pandas.core.groupby.DataFrameGroupBy.cummax
pandas.core.groupby.DataFrameGroupBy.cummin
pandas.core.groupby.DataFrameGroupBy.cumprod
pandas.core.groupby.DataFrameGroupBy.cumsum
pandas.core.groupby.DataFrameGroupBy.describe
pandas.core.groupby.DataFrameGroupBy.diff
pandas.core.groupby.DataFrameGroupBy.ffill
pandas.core.groupby.DataFrameGroupBy.fillna
pandas.core.groupby.DataFrameGroupBy.filter
pandas.core.groupby.DataFrameGroupBy.hist
pandas.core.groupby.DataFrameGroupBy.idxmax
pandas.core.groupby.DataFrameGroupBy.idxmin
pandas.core.groupby.DataFrameGroupBy.mad
pandas.core.groupby.DataFrameGroupBy.nunique
pandas.core.groupby.DataFrameGroupBy.pct_change
pandas.core.groupby.DataFrameGroupBy.plot
pandas.core.groupby.DataFrameGroupBy.quantile
pandas.core.groupby.DataFrameGroupBy.rank
pandas.core.groupby.DataFrameGroupBy.resample
pandas.core.groupby.DataFrameGroupBy.shift
pandas.core.groupby.DataFrameGroupBy.size
pandas.core.groupby.DataFrameGroupBy.skew
pandas.core.groupby.DataFrameGroupBy.take
pandas.core.groupby.DataFrameGroupBy.tshift
pandas.core.groupby.SeriesGroupBy.nlargest
pandas.core.groupby.SeriesGroupBy.nsmallest
pandas.core.groupby.SeriesGroupBy.nunique
pandas.core.groupby.SeriesGroupBy.unique
pandas.core.groupby.SeriesGroupBy.value_counts
pandas.core.groupby.SeriesGroupBy.is_monotonic_increasing
pandas.core.groupby.SeriesGroupBy.is_monotonic_decreasing
pandas.core.groupby.DataFrameGroupBy.corrwith
pandas.core.groupby.DataFrameGroupBy.boxplot
Resampling
Style
Plotting
General utility functions
Extensions
pandas.core.groupby.GroupBy.transform
¶
GroupBy.
transform
(
self
,
func
,
*
args
,
**
kwargs
)
[source]
¶
pandas.core.groupby.GroupBy.aggregate
pandas.core.groupby.GroupBy.pipe