Time Series Forecasting, Fourier, Ensemble Method, Data Science, Signal Processing.
spec4_model.fit(envelope_features.loc[spec4_train.index], spec4_train['4.0']) spec4_regress = pd.Series(spec4_model.predict(envelope_features), index=X.index) ax = spec4_train['4.0'].plot(label='component envelope', color='gray') spec4_regress.loc[spec4_train.index].plot(ax=ax, color='C0',