ar1_fit (pyleoclim.utils.tsmodel.ar1_fit)
- pyleoclim.utils.tsmodel.ar1_fit(y, t=None)[source]
Returns the lag-1 autocorrelation from AR(1) fit OR persistence from tauest.
- Parameters
y (array) – the time series
t (array) – the time axis of that series
- Returns
g – lag-1 autocorrelation coefficient (for evenly-spaced time series) OR estimated persistence (for unevenly-spaced time series)
- Return type
float