RamsayE.rho(z) [source]
The robust criterion function for Ramsay’s Ea.
| Parameters: | z (array-like) – 1d array |
|---|---|
| Returns: | rho – rho(z) = a**-2 * (1 - exp(-a*|z|)*(1 + 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.rho.html