arch.univariate.volatility.VolatilityProcess.starting_values¶ abstract VolatilityProcess.starting_values(resids: ndarray[Any, dtype[float64]]) → ndarray[Any, dtype[float64]][source]¶ Returns starting values for the ARCH model Parameters:¶ resids: ndarray[Any, dtype[float64]]¶Array of (approximate) residuals to use when computing starting values Returns:¶ sv – Array of starting values Return type:¶ numpy.ndarray