Research Article
An Optimized Machine Learning and Big Data Approach to Crime Detection
Table 4
Performance evaluation: Los Angeles Dataset.
| Classifier | 15 days average | 7 days average | 2 days average | Accuracy | Precision | Recall | Accuracy | Precision | Recall | Accuracy | Precision | Recall |
| NB | 91 | 93.75 | 88.24 | 90 | 91.67 | 88 | 89 | 89.58 | 87.76 | NB (with proposed features) | 93 | 92.93 | 92.93 | 92.5 | 91.92 | 92.86 | 90.5 | 88.35 | 92.86 | RF | 90.5 | 88.24 | 92.78 | 89.5 | 88.24 | 90.91 | 88 | 87.88 | 87.88 | RF (with proposed features) | 94.5 | 92.08 | 96.88 | 93.5 | 90.29 | 96.88 | 92.5 | 90.1 | 94.79 | kNN | 88 | 83.33 | 93.75 | 88.5 | 85.05 | 92.86 | 85.5 | 81.98 | 91 | kNN (with proposed features) | 92 | 92.86 | 91 | 91.5 | 92.78 | 90 | 90.5 | 92.78 | 88.24 | SVM | 87 | 85.71 | 87.5 | 88.5 | 88.42 | 87.5 | 89.5 | 90.53 | 87.76 | SVM (with proposed features) | 92.5 | 97.8 | 87.25 | 91 | 97.8 | 84.76 | 89.5 | 95.7 | 83.96 |
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