statsmodels.robust.norms.AndrewWave.rho
-
AndrewWave.rho(z)[source] -
The robust criterion function for Andrew?s wave.
Parameters: z : array-like
1d array
Returns: rho : array
rho(z) = a*(1-cos(z/a)) for |z| <= a*pi
rho(z) = 2*a for |z| > a*pi
AndrewWave.rho(z) [source]
The robust criterion function for Andrew?s wave.
| Parameters: |
z : array-like 1d array |
|---|---|
| Returns: |
rho : array rho(z) = a*(1-cos(z/a)) for |z| <= a*pi rho(z) = 2*a for |z| > a*pi |
Please login to continue.