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statsmodels.robust.norms.TrimmedMean.weights

TrimmedMean.weights(z)[source]

Least trimmed mean weighting function for the IRLS algorithm

The psi function scaled by z

Parameters:

z : array-like

1d array

Returns:

weights : array

weights(z) = 1 for |z| <= c

weights(z) = 0 for |z| > c

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