The data is about Indonesia’s Economic year 2010-2021.
Makridakis, S., Wheelwright, S. C., & Hyndman, R. J. (2008). Forecasting methods and applications. John wiley & sons.
https://www.datacamp.com/tutorial/tutorial-ridge-lasso-elastic-net
https://www.rdocumentation.org/packages/base/versions/3.6.2/topics/seq.Date
https://www.geeksforgeeks.org/decision-tree-for-regression-in-r-programming/
https://www.geeksforgeeks.org/random-forest-approach-for-regression-in-r-programming/
https://www.geeksforgeeks.org/exponential-smoothing-in-r-programming/