The values of Alabama building contracts (in millions of dollars) for a 12-month period are as follows. month Value of Contract 1 240 2 350 3 230
The values of Alabama building contracts (in millions of dollars) for a 12-month period are as follows. month Value of Contract 1 240 2 350 3 230
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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The values of Alabama building contracts (in millions of dollars) for a 12-month period are as follows.
| month | Value of Contract |
| 1 | 240 |
| 2 | 350 |
| 3 | 230 |
| 4 | 260 |
| 5 | 280 |
| 6 | 320 |
| 7 | 220 |
| 8 | 310 |
| 9 | 240 |
| 10 | 310 |
| 11 | 240 |
| 12 | 230 |
Find Mean Absolute Errors using the following methods. Use 4 decimals.
Use data values as given, do not include the millions. For example, the first data value is 240. Do not type 240000000.
3WMA (weights: 1,2,4) :
4MA:
4WMA (weights: 1,2,3,4) :
Exponential Sm. (alpha = 0.2):
Exponential Sm. (alpha = 0.4):
Exponential Sm. (alpha = 0.6):
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