statsmodels.robust.norms.RamsayE.weights
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RamsayE.weights(z)[source] -
Ramsay’s Ea weighting function for the IRLS algorithm
The psi function scaled by z
Parameters: z (array-like) – 1d array Returns: weights – weights(z) = exp(-a*|z|) Return type: array
© 2009–2012 Statsmodels Developers
© 2006–2008 Scipy Developers
© 2006 Jonathan E. Taylor
Licensed under the 3-clause BSD License.
http://www.statsmodels.org/stable/generated/statsmodels.robust.norms.RamsayE.weights.html