Research Article
The Assessment of Hydrogen Energy Systems for Fuel Cell Vehicles Using Principal Component Analysis and Cluster Analysis
Table 5
Main results of PCA of the 11 scenarios for the criteria.
| | | PC1 | PC2 | PC3 |
| | SO2 |
0.3932
|
0.0980
|
0.0704
| | CO2 |
0.3723
| −0.2342 |
0.0693
| |
0.3899
|
0.1320
|
0.0809
| | CO | −0.0372 |
0.6783
|
0.0233
| | CH4 | −0.2697 |
0.5125
|
0.0473
| | Dust |
0.2767
|
0.3352
|
0.2261
| | Waste water |
0.3912
|
0.1135
|
0.0686
| | Waste solids |
0.3913
|
0.1130
|
0.0685
| | Costs |
0.3099
| −0.0979 | −0.4888 | | Energy | −0.0438 | −0.2186 |
0.8256
| | Eigenvalue |
6.2472
|
1.9040
|
1.2453
| | Variance (%) |
62.472
|
19.040
|
12.453
| | Cumulative variance (%) |
62.472
|
81.513
|
93.966
| | Weights |
0.6648
|
0.2026
|
0.1325
|
|
|
