Environmental Engineering Reference
In-Depth Information
Table 5
Criteria scored based on four evaluation factors
Criteria
Evaluation factor
Frequency
in references
(
F
1
)
Adaptation
with kind of
product (
F
2
)
Easily
understand
(
F
3
)
Easily
measurement
(
F
4
)
Qualitative (
A
1
)
9
9
9
7
7
7
9
9
Financial (
A
2
)
Management and
organization (
A
3
)
6
8
6
4
Services (
A
4
)
9
9
9
8
6
6
7
6
Production
technology (
A
5
)
EMS (
A
6
)
9
9
8
7
Green image (
A
7
)
6
7
6
5
4
6
6
5
DE (
A
8
)
EIC (
A
9
)
4
6
8
9
5
7
7
6
Green
competencies (
A
10
)
matrix (
N
D
) will be formed by using Eq.
5
then the normalized value is multiplied
in criteria weight derived from AHP analysis and weighted normalized matrix will
be composed.
r
ij
n
ij
=
(5)
i
r
ij
Decision matrix normalized by using Eq.
5
and formed normalized matrix of
N
D
.
For example the normalized value for
n
11
can be represented as:
9
n
11
=
√
=
0.42
(6)
9
2
+
7
2
+
6
2
+
9
2
+
6
2
+
9
2
+
6
2
+
4
2
+
4
2
+
5
2
Evaluation factors weights (Table
4
) transformed to a diagonal matrix and multiple
to normalized matrix (
N
D
) and composed weighted normalized matrix of V.
0.42 0.37 0.37 0.32
0.32 0.29 0.37 0.41
0.28 0.33 0.24 0.18
0.42 0.37 0.37 0.37
0.28 0.25 0.29 0.27
0.42 0.37 0.33 0.32
0.28 0.29 0.24 0.23
0.18 0.25 0.24 0.23
0.18 0.25 0.33 0.41
0.23 0.29 0.29 0.27
0.03 0.18 0.05 0.08
0.02 0.14 0.05 0.11
0.02 0.16 0.03 0.05
0.03 0.18 0.05 0.10
0.02 0.12 0.04 0.07
0.03 0.18 0.05 0.08
0.02 0.14 0.03 0.06
0.01 0.12 0.03 0.06
0.01 0.12 0.05 0.11
0.02 0.14 0.04 0.07
N
D
=
V
=
(7)
Search WWH ::
Custom Search