How the autocorrelation function changes with the time lag.
Outputs include the number of peaks, and autocorrelation in the
autocorrelation function (ACF) itself.
- Parameters:
- y : array-like
The input time series
- stop_when : str or int, optional
The criterion for the maximum lag to measure the ACF up to.
Default is ‘posDrown’.
- Returns:
A dictionary containing various metrics about the autocorrelation function.
- Return type:
dict