skfolio.measures
.fourth_central_moment#
- skfolio.measures.fourth_central_moment(returns, sample_weight=None)[source]#
Compute the Fourth central moment.
- Parameters:
- returnsndarray of shape (n_observations,) or (n_observations, n_assets)
Array of return values.
- sample_weightndarray of shape (n_observations,), optional
Sample weights for each observation. If None, equal weights are assumed.
- Returns:
- valuefloat or ndarray of shape (n_assets,)
Fourth central moment. If
returns
is a 1D-array, the result is a float. Ifreturns
is a 2D-array, the result is a ndarray of shape (n_assets,).