ffrprep.analysis.autocorrelation

ffrprep.analysis.autocorrelation(evoked)[source]

Autocorrelation function and 95% CI for the first channel of evoked.

Parameters:

evoked (mne.Evoked) – Evoked response. Only the first channel’s time series is used.

Returns:

  • acf (ndarray of shape (n_times,)) – Autocorrelation values from lag 0 up to n_times - 1.

  • confidence_interval (ndarray of shape (n_times, 2)) – Lower and upper bounds of the 95% confidence interval at each lag, as returned by statsmodels.tsa.stattools.acf() with alpha=0.05.