Time Series Forecasting, Fourier, Ensemble Method, Data Science, Signal Processing.
additional_terms=[cfr]).in_sample() with pd.option_context('display.max_columns', None, 'display.expand_frame_repr', False): print(seasonal_year_trig) sin(1,freq=A-DEC) cos(1,freq=A-DEC) sin(2,freq=A-DEC) cos(2,freq=A-DEC) time 1956Q1 0.000000 1.000000 0.000000 1.000000 1956Q2 0.999963 0.008583