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International Scholarly Research Notices
/
2012
/
Article
/
Tab 4
/
Research Article
Time-Series Regression Model for Prediction of Mean Daily Global Solar Radiation in Al-Ain, UAE
Table 4
ARIMA model parameters.
ARMA (
π
,
π
)
AR coefficients (
π‘
value)
MA coefficients (
π‘
value)
Model remark
Normalized BIC (SPSS)
AIC, SBC, SE, SSE
(4, 3)
π
1
=
0
.
5
4
9
4
(
2
7
.
2
3
2
)
π
1
=
0
.
0
7
2
1
(
5
.
7
4
8
)
A
I
C
=
2
4
0
8
.
1
0
3
7
π
2
=
β
0
.
1
1
9
3
(
β
9
.
1
7
6
)
π
2
=
β
0
.
1
1
0
9
(
β
9
.
1
1
4
)
β2.159
S
B
C
=
2
4
5
1
.
5
2
1
1
π
3
=
1
.
0
0
6
4
(
7
8
.
0
4
8
)
π
3
=
0
.
9
5
7
2
(
7
8
.
8
1
0
)
S
S
E
=
4
1
1
.
7
0
7
0
π
4
=
β
0
.
4
5
3
4
(
β
2
5
.
8
9
1
)
S
E
=
0
.
3
3
6
2
(4, 4)
π
1
=
0
.
5
2
7
2
(
1
3
.
0
9
4
)
π
1
=
0
.
0
4
8
3
(
1
.
1
1
6
)
Over-fitting
A
I
C
=
2
4
1
0
.
0
4
5
3
π
2
=
β
0
.
0
9
5
4
(
β
4
.
6
0
5
)
π
2
=
β
0
.
0
9
4
2
(
β
5
.
3
8
5
)
β2.150
S
B
C
=
2
4
5
9
.
6
6
5
2
π
3
=
0
.
9
8
6
6
(
4
7
.
7
1
8
)
π
3
=
0
.
9
4
2
0
(
4
9
.
8
9
1
)
S
S
E
=
4
1
1
.
7
0
1
0
π
4
=
β
0
.
4
3
6
9
(
β
1
1
.
7
3
7
)
π
4
=
0
.
0
1
6
6
(
0
.
4
5
2
)
S
E
=
0
.
3
3
6
2
(2, 1)
π
1
=
1
.
4
5
0
4
(
7
6
.
7
8
9
)
π
1
=
0
.
9
6
9
9
(
9
7
.
0
8
7
)
A
I
C
=
2
4
1
6
.
2
3
8
5
π
2
=
β
0
.
4
5
6
8
(
β
2
6
.
5
6
1
)
β2.168
π
π
π
=
π
π
π
π
.
π
π
π
π
S
S
E
=
4
1
3
.
5
6
3
6
S
E
=
0
.
3
3
6
7
(3, 1)
π
1
=
1
.
4
5
0
4
(
7
5
.
1
8
3
)
π
1
=
0
.
9
7
1
9
(
9
8
.
7
8
0
)
Over-fitting
A
I
C
=
2
4
1
7
.
9
7
8
3
π
2
=
β
0
.
4
4
6
1
(
β
1
5
.
7
3
2
)
β2.165
S
B
C
=
2
4
4
2
.
7
8
8
2
π
3
=
β
0
.
0
0
8
7
(
β
0
.
5
0
7
)
S
S
E
=
4
1
3
.
5
3
3
6
S
E
=
0
.
3
3
6
8
(2, 2)
π
1
=
1
.
4
6
9
2
(
4
0
.
1
5
4
)
π
1
=
0
.
9
9
2
0
(
2
4
.
5
7
5
)
Over-fittingβ
A
I
C
=
2
4
1
7
.
9
8
6
2
π
2
=
β
0
.
4
7
4
6
(
β
1
3
.
4
4
1
)
π
2
=
β
0
.
0
1
8
5
(
β
0
.
5
1
0
)
β2.165β
S
B
C
=
2
4
4
2
.
7
9
6
2
S
S
E
=
4
1
3
.
5
3
4
5
S
E
=
0
.
3
3
6
8
