statsmodels.tsa.stattools.pacf_yw¶
-
statsmodels.tsa.stattools.
pacf_yw
(x, nlags=40, method='unbiased')[source]¶ Partial autocorrelation estimated with non-recursive yule_walker
- Parameters
- x1d array
observations of time series for which pacf is calculated
- nlagsint
largest lag for which pacf is returned
- method‘unbiased’ (default) or ‘mle’
method for the autocovariance calculations in yule walker
- Returns
- pacf1d array
partial autocorrelations, maxlag+1 elements
See also
statsmodels.tsa.stattools.pacf
,statsmodels.tsa.stattools.pacf_burg
,statsmodels.tsa.stattools.pacf_ols
Notes
This solves yule_walker for each desired lag and contains currently duplicate calculations.