Now that you have completed all of the activities in this chapter, use the concepts and techniques that you've learned to respond to these questions.

  1. Scenario: Let's continue our analysis of the Indian Index of Industrial Production.

    1. We used Winters' method with an assumed season of three months. Re-estimate using this approach with a six-month "season" (that is, two different seasons per year). Compare the performance of this model to the other model.

    2. Fit a log-linear model using the Fit Y by X platform. Does this perform any better than the quadratic model?

    3. We used simple AR(1) and AR(1,1) models. Try fitting an AR(2,1) model to this data series and report on what you find.

  2. Scenario: Our India Industrial Production data table also ...

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