Table 3 Precision, recall, and F1 values for different combinations of methods (IG + I-TF-IDF, MI + I-TF-IDF, and CDF + I-TF-IDF) in the different categories
From: Design and analysis of a general vector space model for data classification in Internet of Things
| Â | IG + I-TF-IDF | MI + I-TF-IDF | CDF + I-TF-IDF | ||||||
|---|---|---|---|---|---|---|---|---|---|
Precision (%) | Recall (%) | F1 value (%) | Precision (%) | Recall (%) | F1 value (%) | Precision (%) | Recall (%) | F1 value (%) | |
Art | 71.32 | 75.63 | 73.41 | 77.92 | 80.12 | 79.00 | 88.76 | 87.23 | 87.99 |
History | 72.91 | 73.28 | 73.09 | 73.01 | 74.28 | 73.64 | 90.37 | 89.84 | 90.10 |
Aviation | 71.83 | 76.98 | 74.32 | 78.24 | 76.41 | 77.31 | 91.02 | 92.19 | 91.60 |
Computer | 87.72 | 83.10 | 85.35 | 93.27 | 92.10 | 92.68 | 98.74 | 97.98 | 98.36 |
Environment | 63.26 | 69.56 | 66.26 | 70.41 | 74.09 | 72.20 | 86.39 | 89.01 | 87.68 |
Agriculture | 72.35 | 76.87 | 74.54 | 81.28 | 82.16 | 81.72 | 92.28 | 94.42 | 93.34 |
Economy | 66.50 | 70.94 | 68.65 | 72.19 | 76.83 | 74.44 | 85.25 | 87.67 | 86.44 |
Politics | 78.09 | 77.02 | 77.55 | 83.94 | 79.38 | 81.60 | 90.13 | 91.96 | 91.03 |
Sports | 89.45 | 86.73 | 88.06 | 93.97 | 92.67 | 93.32 | 99.04 | 98.73 | 98.88 |