tsa.filters.bk_filter.bkfilter()

statsmodels.tsa.filters.bk_filter.bkfilter

statsmodels.tsa.filters.bk_filter.bkfilter(X, low=6, high=32, K=12) [source]

Baxter-King bandpass filter

Parameters:

X : array-like

A 1 or 2d ndarray. If 2d, variables are assumed to be in columns.

low : float

Minimum period for oscillations, ie., Baxter and King suggest that the Burns-Mitchell U.S. business cycle h