arch.univariate.distribution.Distribution.cdf¶ abstract Distribution.cdf(resids: Sequence[float] | ndarray | Series, parameters: Sequence[float] | ndarray | Series | None = None) → ndarray[Any, dtype[float64]][source]¶ Cumulative distribution function Parameters:¶ resids: Sequence[float] | ndarray | Series¶Values at which to evaluate the cdf parameters: Sequence[float] | ndarray | Series | None = None¶Distribution parameters. Use None for parameterless distributions. Returns:¶ f – CDF values Return type:¶ numpy.ndarray