Using the last two years of the visnights Australian domestic tourism data as a test set, generate bottom-up, top-down and optimally reconciled forecasts for this period and compare their accuracy....

Using the last two years of the visnights Australian domestic tourism data as a test set, generate bottom-up, top-down and optimally reconciled forecasts for this period and compare their accuracy.

Experiment with using nnetar() on your retail data and other data we have considered in previous chapters