Periodogram of a series. detrend removes the mean (default) or a linear trend; taper is the split-cosine proportion (0–0.5); spans applies modified Daniell smoothing (odd spans, e.g. [3, 3]).
detrend
taper
spans
Optional
Periodogram of a series.
detrendremoves the mean (default) or a linear trend;taperis the split-cosine proportion (0–0.5);spansapplies modified Daniell smoothing (odd spans, e.g. [3, 3]).