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Forecasting: Principles and Practice

George Athanasopoulos, Rob J. Hyndman

Chapter 11

Advanced forecasting methods - all with Video Answers

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Chapter Questions

Problem 1

Use the tbats() function to model your retail time series.
a. Check the residuals and produce forecasts.
b. Does this completely automated approach work for these data?
c. Have you saved any degrees of freedom by using Fourier terms rather than seasonal differencing?

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03:32

Problem 2

Consider the weekly data on US finished motor gasoline products supplied (millions of barrels per day) (series gasoline ):
a. Fit a TBATS model to these data.
b. Check the residuals and produce forecasts.
c. Could you model these data using any of the other methods we have considered in this book?

James Kiss
James Kiss
Numerade Educator

Problem 3

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

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