statsmodels.robust.norms.RamsayE.rho¶
-
RamsayE.rho(z)[source]¶ The robust criterion function for Ramsay’s Ea.
- Parameters
- zarray_like
1d array
- Returns
- rho
array rho(z) = a**-2 * (1 - exp(-a*|z|)*(1 + a*|z|))
- rho
RamsayE.rho(z)[source]¶The robust criterion function for Ramsay’s Ea.
1d array
arrayrho(z) = a**-2 * (1 - exp(-a*|z|)*(1 + a*|z|))