pandas.api.extensions.ExtensionArray.value_counts#

ExtensionArray.value_counts(dropna=True)[source]#

Return a Series containing counts of unique values.

This method returns a Series with unique values as the index and their counts as the values.

Parameters:

dropnabool, default True: Don’t include counts of NA values.

Returns:

Series: A Series with unique values as index and counts as values.

See also

Series.value_counts: Equivalent method on Series.
DataFrame.value_counts: Equivalent method on DataFrame.
Index.value_counts: Equivalent method on Index.

Examples

>>> from pandas.core.arrays import IntegerArray
>>> arr = IntegerArray._from_sequence([3, 3, 3, 1, 2, 2])
>>> arr.value_counts()
3    3
1    1
2    2
Name: count, dtype: Int64