statsmodels.tsa.arima_process.ArmaProcess.pacf#

ArmaProcess.pacf(lags=None)[source]#

Theoretical partial autocorrelation function of an ARMA process

Parameters:
lagsint

The number of terms (lags plus zero lag) to include in returned pacf.

Returns:
ndarray

The partial autocorrelation of ARMA process given by ar and ma.

Notes

Solves the Yule-Walker equation for each lag order up to lags.

not tested/checked yet