pandas.core.window.expanding.Expanding.last

Expanding.last(numeric_only=False)

Calculate the expanding Last (right-most) element of the window.

Parameters:

numeric_onlybool, default False

Include only float, int, boolean columns.

Added in version 1.5.0.

Returns:

Series or DataFrame

Return type is the same as the original object with np.float64 dtype.

See also

GroupBy.last

Similar method for GroupBy objects.

Expanding.first

Method to get the first element in each window.

Examples

The example below will show an expanding calculation with a window size of three.

>>> s = pd.Series(range(5))
>>> s.expanding(3).last()
0         NaN
1         NaN
2         2.0
3         3.0
4         4.0
dtype: float64