Exploratory factor analysis to identify key dimensions for selecting container number recognition system
| Item | Factor 1 | Factor 2 | Factor 3 | Factor 4 | Factor name |
|---|---|---|---|---|---|
| Acceptance of superintendent | 0.853 | 0.174 | 0.149 | 0.074 | Acceptance |
| Acceptance of liner carriers | 0.788 | 0.290 | 0.078 | 0.060 | |
| Acceptance of shippers | 0.774 | 0.046 | 0.346 | 0.244 | |
| Acceptance of truckers | 0.717 | 0.202 | 0.138 | 0.157 | |
| Acceptance of employees | 0.701 | 0.016 | 0.387 | 0.289 | |
| Training cost | 0.137 | 0.897 | 0.095 | 0.161 | Cost |
| Setup cost | 0.122 | 0.894 | 0.078 | 0.075 | |
| Labour savings | 0.244 | 0.817 | 0.156 | 0.093 | |
| Reading speed | 0.083 | 0.052 | 0.814 | 0.148 | Efficiency |
| Reading distance | 0.244 | 0.009 | 0.751 | 0.065 | |
| Checking container location | 0.083 | 0.258 | 0.687 | 0.055 | |
| System processing time | 0.362 | 0.050 | 0.658 | 0.010 | |
| Recognition precision | 0.082 | 0.159 | 0.069 | 0.815 | Accuracy |
| Error ratio | 0.237 | 0.005 | 0.215 | 0.765 | |
| Environmental disturbance | 0.255 | 0.466 | −0.062 | 0.583 | |
| Eigenvalue | 5.77 | 2.12 | 1.39 | 1.22 | |
| % of variance | 38.46 | 14.13 | 9.27 | 8.15 | |
| Cumulative % of variance | 38.46 | 52.59 | 61.86 | 70.01 | |
| Cronbach’s alpha | 0.89 | 0.90 | 0.80 | 0.70 |
| Item | Factor 1 | Factor 2 | Factor 3 | Factor 4 | Factor name |
|---|---|---|---|---|---|
| Acceptance of superintendent | 0.174 | 0.149 | 0.074 | Acceptance | |
| Acceptance of liner carriers | 0.290 | 0.078 | 0.060 | ||
| Acceptance of shippers | 0.046 | 0.346 | 0.244 | ||
| Acceptance of truckers | 0.202 | 0.138 | 0.157 | ||
| Acceptance of employees | 0.016 | 0.387 | 0.289 | ||
| Training cost | 0.137 | 0.095 | 0.161 | Cost | |
| Setup cost | 0.122 | 0.078 | 0.075 | ||
| Labour savings | 0.244 | 0.156 | 0.093 | ||
| Reading speed | 0.083 | 0.052 | 0.148 | Efficiency | |
| Reading distance | 0.244 | 0.009 | 0.065 | ||
| Checking container location | 0.083 | 0.258 | 0.055 | ||
| System processing time | 0.362 | 0.050 | 0.010 | ||
| Recognition precision | 0.082 | 0.159 | 0.069 | Accuracy | |
| Error ratio | 0.237 | 0.005 | 0.215 | ||
| Environmental disturbance | 0.255 | 0.466 | −0.062 | ||
| Eigenvalue | 5.77 | 2.12 | 1.39 | 1.22 | |
| % of variance | 38.46 | 14.13 | 9.27 | 8.15 | |
| Cumulative % of variance | 38.46 | 52.59 | 61.86 | 70.01 | |
| Cronbach’s alpha | 0.89 | 0.90 | 0.80 | 0.70 |
Note:
Italic values highlight the loadings that are larger than 0.5