Mmm, Lightweightmmm, Orbit, Robyn.
4 models for time series forecasting (similar to LightweightMMM and Robyn equations). These models are: Damped Local Trend (DLT), Exponential Smoothing (ETS), Local Global Trend (LGT), and Kernel-based Time-varying Regression (KTR). Our interest is in the fourth model on this list, the KTR. It was