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# pandas.api.typing.Expanding.last

Expanding.last(numeric_only=False)

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

  At each point in time, returns the last value in the expanding window, which is the most recent observation in the data.

  Parameters:
    numeric_only bool, default False

      Include only float, int, boolean columns.

  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