arch.univariate.base.ARCHModel.resids¶ abstract ARCHModel.resids(params: ndarray, y: ndarray | Series | None = None, regressors: ndarray | DataFrame | None = None) → ndarray | Series[source]¶ Compute model residuals Parameters:¶ params: ndarray¶Model parameters y: ndarray | Series | None = None¶Alternative values to use when computing model residuals regressors: ndarray | DataFrame | None = None¶Alternative regressor values to use when computing model residuals Returns:¶ resids – Model residuals Return type:¶ numpy.ndarray