Research Article
Improved KNN Algorithm Based on Preprocessing of Center in Smart Cities
Table 3
Test results of classification accuracy.
| Number of deletions | Number of tests | Number of classification accuracies higher than 50% | Number of classification accuracies lower than 50% |
| 400 | 100 | 80 | 20 | 410 | 100 | 87 | 13 | 420 | 100 | 72 | 28 | 430 | 100 | 92 | 8 | 440 | 100 | 75 | 25 | 450 | 100 | 96 | 4 | 460 | 100 | 89 | 11 | 470 | 100 | 87 | 13 | 480 | 100 | 91 | 9 | 490 | 100 | 89 | 11 | 500 | 100 | 77 | 23 |
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