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# scikits.statsmodels.robust.norms.HuberT.weights

`HuberT.``weights`(z)

  Huber’s t weighting function for the IRLS algorithm

  The psi function scaled by z

  Parameters: | z : array-like 1d array
  Returns: | array : weights(z) = 1 for |z| <= t weights(z) = t/|z| for |z| > t

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