Forecasting, Time Series Analysis, Fourier Transform, R, Ml So Good.
However, I will first transform the data at the day level and then split that data in components, slicing it. The best way to chose the slices is to look at the peaks of the periodogram. Lets slice, regress, and compare fitted via observed data. TC_df_wave2<-TC_df%>% filter(RecordType=="VOIP