AndrewWave.rho(z)
[source]
The robust criterion function for Andrew’s wave.
Parameters: | z (array-like) – 1d array |
---|---|
Returns: |
rho – rho(z) = a*(1-cos(z/a)) for |z| <= a*pi rho(z) = 2*a 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.rho.html