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# scikits.statsmodels.robust.norms.TrimmedMean.weights

`TrimmedMean.``weights`(z)

  Least trimmed mean 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| <= c weights(z) = 0 for |z| > c

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