statsmodels.robust.norms.LeastSquares.weights¶
-
LeastSquares.
weights
(z)[source]¶ The least squares estimator weighting function for the IRLS algorithm.
The psi function scaled by the input z
- Parameters
- zarray_like
1d array
- Returns
- weights
ndarray
weights(z) = np.ones(z.shape)
- weights