Question: Although you should not expect a perfectly fitting model for any time-series data, you can consider the first differences, second differences, and percentage differences for
Although you should not expect a perfectly fitting model for any time-series data, you can consider the first differences, second differences, and percentage differences for a given series as guides in choosing an appropriate model.
| Year | Series I | Series II | Series III |
|---|---|---|---|
| 2005 | 10.0 | 30.0 | 60.0 |
| 2006 | 15.1 | 33.1 | 67.9 |
| 2007 | 24.0 | 36.4 | 76.1 |
| 2008 | 36.7 | 39.9 | 84.0 |
| 2009 | 53.8 | 43.9 | 92.2 |
| 2010 | 74.8 | 48.2 | 100.0 |
| 2011 | 100.0 | 53.2 | 108.0 |
| 2012 | 129.2 | 58.2 | 115.8 |
| 2013 | 162.4 | 64.5 | 124.1 |
| 2014 | 199.0 | 70.7 | 132.0 |
| 2015 | 239.3 | 77.1 | 140.0 |
| 2016 | 283.5 | 83.9 | 147.8 |
For this problem, use each of the time series presented in the table above and stored in TSModel1:
a. Determine the most appropriate model.
b. Compute the forecasting equation.
c. Forecast the value for 2017 .
Step by Step Solution
★★★★★
3.48 Rating (161 Votes )
There are 3 Steps involved in it
1 Expert Approved Answer
Step: 1 Unlock
Question Has Been Solved by an Expert!
Get step-by-step solutions from verified subject matter experts
Step: 2 Unlock
Step: 3 Unlock
