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Data:
20 18 19 20 21 20 19 20 19 21 19 20 17 19 18
Seasonal period
12
1
2
3
4
5
6
7
8
9
10
11
12
Type of Exponential Smoothing
(?)
Single
Double
Triple
Type of seasonality
(?)
additive
multiplicative
Number of Forecasts
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Chart options
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