statsmodels.genmod.families.varfuncs.VarianceFunction.deriv#
- VarianceFunction.deriv(mu)[source]#
Derivative of the variance function v’(mu)
- Parameters:
- muarray_like
mean parameters
- Returns:
- v’
ndarray zeros(mu.shape)
- v’
Derivative of the variance function v’(mu)
mean parameters
ndarrayzeros(mu.shape)