a. Use the simple exponential smoothing with a = 0.2 for making forecasts. Note: Do not round intermediate calculations. Round final answers to 2 decimal places. 1123 20 20 Yt ŷt 53 62 58 62 62 AutoSave Home Insert Draw CP7 : x ✓ f A B C 1 2 3 43 S 11234 yt 53 62 58 58 65 50 7 6 55 8 7 57 9 8 53 10 9 53 11 10 52 12 11 61 13 12 60 14 13 62 15 14 71 16 15 61 17 16 69 18 17 71 19 18 69 20 19 68 21 20 62 22 23 b. Use the in-sample forecast errors to compute MSE, MAD, and MAPE. Note: Do not round intermediate calculations. Round final answers to 2 decimal plac Performance Measure MSE MAD MAPE (%) Value c. Make a forecast for period 21. Note: Do not round intermediate calculations. Round final answer to 2 decimal places. $21 Exercise 10.2 Ready
a. Use the simple exponential smoothing with a = 0.2 for making forecasts. Note: Do not round intermediate calculations. Round final answers to 2 decimal places. 1123 20 20 Yt ŷt 53 62 58 62 62 AutoSave Home Insert Draw CP7 : x ✓ f A B C 1 2 3 43 S 11234 yt 53 62 58 58 65 50 7 6 55 8 7 57 9 8 53 10 9 53 11 10 52 12 11 61 13 12 60 14 13 62 15 14 71 16 15 61 17 16 69 18 17 71 19 18 69 20 19 68 21 20 62 22 23 b. Use the in-sample forecast errors to compute MSE, MAD, and MAPE. Note: Do not round intermediate calculations. Round final answers to 2 decimal plac Performance Measure MSE MAD MAPE (%) Value c. Make a forecast for period 21. Note: Do not round intermediate calculations. Round final answer to 2 decimal places. $21 Exercise 10.2 Ready
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:a. Use the simple exponential smoothing with a = 0.2 for making forecasts.
Note: Do not round intermediate calculations. Round final answers to 2 decimal places.
1123
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b. Use the in-sample forecast errors to compute MSE, MAD, and MAPE.
Note: Do not round intermediate calculations. Round final answers to 2 decimal plac
Performance Measure
MSE
MAD
MAPE (%)
Value
c. Make a forecast for period 21.
Note: Do not round intermediate calculations. Round final answer to 2 decimal places.
$21
Exercise 10.2
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