See data in the next page.
Month |
Sales |
Month |
Sales |
1 |
1156 |
14 |
1264 |
2 |
1101 |
15 |
1235 |
3 |
1195 |
16 |
1357 |
4 |
1072 |
17 |
1373 |
5 |
1237 |
18 |
1358 |
6 |
1106 |
19 |
1489 |
7 |
1148 |
20 |
1428 |
8 |
1005 |
21 |
1516 |
9 |
1350 |
22 |
1681 |
10 |
1115 |
23 |
1598 |
11 |
1196 |
24 |
1699 |
12 |
1298 |
25 |
1781 |
13 |
1260 |
Alpha specifies the coefficient for the level smoothing.
and
Gamma specifies the coefficient for the seasonal smoothing
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