Research Article
Selection of Unmanned Aerial Vehicles by Using Multicriteria Decision-Making for Defence
Table 9
Spearman’s rank correlation test.
| | Alternatives | Ranking differences | | A-B | A-C | A-D | B-C | B-D |
| | UAV-1 | −2 | −1 | −1 | 1 | 1 | | UAV-2 | 1 | −1 | 0 | −2 | −1 | | UAV-3 | 0 | 1 | 1 | 1 | 1 | | UAV-4 | 0 | −1 | −1 | −1 | −1 | | UAV-5 | 1 | 1 | 1 | 0 | 0 | | UAV-6 | 0 | 1 | 0 | 1 | 0 | | Spearman’s rank coefficient (rs) | 0.829 | 0.829 | 0.886 | 0.771 | 0.886 | | Statistical significance value (Z) | 1.853 | 1.853 | 1.981 | 1.725 | 1.981 |
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