References
• Svetunkov, I., 2023a. Greybox: Toolbox for model building and forecasting. https://github.com/config-i1/greybox R package version 2.0.0
• Svetunkov, I., 2023b. Smooth: Forecasting using state space models. https://github.com/config-i1/smooth R package version 4.0.0
• Svetunkov, I., Pritularga, K.F., 2023. Legion: Forecasting using multivariate models. https://github.com/config-i1/legion R package version 0.1.2