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User Guide
API reference
Development
Release notes
2.0.3
GitHub
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Site Navigation
Getting started
User Guide
API reference
Development
Release notes
2.0.3
GitHub
Twitter
Input/output
General functions
Series
DataFrame
pandas arrays, scalars, and data types
Index objects
Date offsets
Window
GroupBy
pandas.core.groupby.DataFrameGroupBy.__iter__
pandas.core.groupby.SeriesGroupBy.__iter__
pandas.core.groupby.DataFrameGroupBy.groups
pandas.core.groupby.SeriesGroupBy.groups
pandas.core.groupby.DataFrameGroupBy.indices
pandas.core.groupby.SeriesGroupBy.indices
pandas.core.groupby.DataFrameGroupBy.get_group
pandas.core.groupby.SeriesGroupBy.get_group
pandas.Grouper
pandas.NamedAgg
pandas.NamedAgg.aggfunc
pandas.NamedAgg.column
pandas.NamedAgg.count
pandas.NamedAgg.index
pandas.core.groupby.SeriesGroupBy.apply
pandas.core.groupby.DataFrameGroupBy.apply
pandas.core.groupby.SeriesGroupBy.agg
pandas.core.groupby.DataFrameGroupBy.agg
pandas.core.groupby.SeriesGroupBy.aggregate
pandas.core.groupby.DataFrameGroupBy.aggregate
pandas.core.groupby.SeriesGroupBy.transform
pandas.core.groupby.DataFrameGroupBy.transform
pandas.core.groupby.SeriesGroupBy.pipe
pandas.core.groupby.DataFrameGroupBy.pipe
pandas.core.groupby.DataFrameGroupBy.filter
pandas.core.groupby.SeriesGroupBy.filter
pandas.core.groupby.DataFrameGroupBy.all
pandas.core.groupby.DataFrameGroupBy.any
pandas.core.groupby.DataFrameGroupBy.bfill
pandas.core.groupby.DataFrameGroupBy.corr
pandas.core.groupby.DataFrameGroupBy.corrwith
pandas.core.groupby.DataFrameGroupBy.count
pandas.core.groupby.DataFrameGroupBy.cov
pandas.core.groupby.DataFrameGroupBy.cumcount
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.first
pandas.core.groupby.DataFrameGroupBy.head
pandas.core.groupby.DataFrameGroupBy.idxmax
pandas.core.groupby.DataFrameGroupBy.idxmin
pandas.core.groupby.DataFrameGroupBy.last
pandas.core.groupby.DataFrameGroupBy.max
pandas.core.groupby.DataFrameGroupBy.mean
pandas.core.groupby.DataFrameGroupBy.median
pandas.core.groupby.DataFrameGroupBy.min
pandas.core.groupby.DataFrameGroupBy.ngroup
pandas.core.groupby.DataFrameGroupBy.nth
pandas.core.groupby.DataFrameGroupBy.nunique
pandas.core.groupby.DataFrameGroupBy.ohlc
pandas.core.groupby.DataFrameGroupBy.pct_change
pandas.core.groupby.DataFrameGroupBy.prod
pandas.core.groupby.DataFrameGroupBy.quantile
pandas.core.groupby.DataFrameGroupBy.rank
pandas.core.groupby.DataFrameGroupBy.resample
pandas.core.groupby.DataFrameGroupBy.rolling
pandas.core.groupby.DataFrameGroupBy.sample
pandas.core.groupby.DataFrameGroupBy.sem
pandas.core.groupby.DataFrameGroupBy.shift
pandas.core.groupby.DataFrameGroupBy.size
pandas.core.groupby.DataFrameGroupBy.skew
pandas.core.groupby.DataFrameGroupBy.std
pandas.core.groupby.DataFrameGroupBy.sum
pandas.core.groupby.DataFrameGroupBy.var
pandas.core.groupby.DataFrameGroupBy.tail
pandas.core.groupby.DataFrameGroupBy.take
pandas.core.groupby.DataFrameGroupBy.value_counts
pandas.core.groupby.SeriesGroupBy.all
pandas.core.groupby.SeriesGroupBy.any
pandas.core.groupby.SeriesGroupBy.bfill
pandas.core.groupby.SeriesGroupBy.corr
pandas.core.groupby.SeriesGroupBy.count
pandas.core.groupby.SeriesGroupBy.cov
pandas.core.groupby.SeriesGroupBy.cumcount
pandas.core.groupby.SeriesGroupBy.cummax
pandas.core.groupby.SeriesGroupBy.cummin
pandas.core.groupby.SeriesGroupBy.cumprod
pandas.core.groupby.SeriesGroupBy.cumsum
pandas.core.groupby.SeriesGroupBy.describe
pandas.core.groupby.SeriesGroupBy.diff
pandas.core.groupby.SeriesGroupBy.ffill
pandas.core.groupby.SeriesGroupBy.fillna
pandas.core.groupby.SeriesGroupBy.first
pandas.core.groupby.SeriesGroupBy.head
pandas.core.groupby.SeriesGroupBy.last
pandas.core.groupby.SeriesGroupBy.idxmax
pandas.core.groupby.SeriesGroupBy.idxmin
pandas.core.groupby.SeriesGroupBy.is_monotonic_increasing
pandas.core.groupby.SeriesGroupBy.is_monotonic_decreasing
pandas.core.groupby.SeriesGroupBy.max
pandas.core.groupby.SeriesGroupBy.mean
pandas.core.groupby.SeriesGroupBy.median
pandas.core.groupby.SeriesGroupBy.min
pandas.core.groupby.SeriesGroupBy.ngroup
pandas.core.groupby.SeriesGroupBy.nlargest
pandas.core.groupby.SeriesGroupBy.nsmallest
pandas.core.groupby.SeriesGroupBy.nth
pandas.core.groupby.SeriesGroupBy.nunique
pandas.core.groupby.SeriesGroupBy.unique
pandas.core.groupby.SeriesGroupBy.ohlc
pandas.core.groupby.SeriesGroupBy.pct_change
pandas.core.groupby.SeriesGroupBy.prod
pandas.core.groupby.SeriesGroupBy.quantile
pandas.core.groupby.SeriesGroupBy.rank
pandas.core.groupby.SeriesGroupBy.resample
pandas.core.groupby.SeriesGroupBy.rolling
pandas.core.groupby.SeriesGroupBy.sample
pandas.core.groupby.SeriesGroupBy.sem
pandas.core.groupby.SeriesGroupBy.shift
pandas.core.groupby.SeriesGroupBy.size
pandas.core.groupby.SeriesGroupBy.skew
pandas.core.groupby.SeriesGroupBy.std
pandas.core.groupby.SeriesGroupBy.sum
pandas.core.groupby.SeriesGroupBy.var
pandas.core.groupby.SeriesGroupBy.tail
pandas.core.groupby.SeriesGroupBy.take
pandas.core.groupby.SeriesGroupBy.value_counts
pandas.core.groupby.DataFrameGroupBy.boxplot
pandas.core.groupby.DataFrameGroupBy.hist
pandas.core.groupby.SeriesGroupBy.hist
pandas.core.groupby.DataFrameGroupBy.plot
pandas.core.groupby.SeriesGroupBy.plot
Resampling
Style
Plotting
Options and settings
Extensions
Testing
pandas.NamedAgg.count
#
NamedAgg.
count
(
value
,
/
)
#
Return number of occurrences of value.
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