statsmodels.robust.norms.AndrewWave.weights
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AndrewWave.weights(z)[source] -
Andrew’s wave weighting function for the IRLS algorithm
The psi function scaled by z
Parameters: z (array-like) – 1d array Returns: weights – weights(z) = sin(z/a)/(z/a) for |z| <= a*pi weights(z) = 0 for |z| > a*pi
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.AndrewWave.weights.html
