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118
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Peramalan periode ke-34
F
(t +m
=
S
+
b
*
m
Pada periode ke-34, m = 1.
F3
4
= S33 + b33 * m
= 71.29 + 1.22 * 1 = 72.51
-
Peramalan periode ke-35
F
(t +m
=
S
+
b
*
m
Pada periode ke-35, m = 2.
F3
5
= S33 + b33 * m
= 71.29 + 1.22 * 2 = 73.74
-
Peramalan periode ke-36
F
(t +m
=
S
+
b
*
m
Pada periode 36, m = 3.
F3
6
= S33 + b33 * m
= 71.29 + 1.22 * 3 = 74.96
n
MAPE =
?
PE
t
n
t ¹
=¹
MAPE=
1
×
472.78 = 15.25
31
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