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Confusion matrix for five different sources of IAQ pollutant.
| Actual | Predicted | ||||||
| Sources of IAQ Pollutant | Ambient | Human Activity | Chemical | Fragrance | Food & Beverage | Accuracy (%) | |
| Ambient | 189 | 1 | 0 | 0 | 0 | 99.47 | |
| Human Activity | 6 | 184 | 0 | 0 | 0 | 96.84 | |
| Chemical | 0 | 0 | 191 | 0 | 0 | 100.00 | |
| Fragrance | 0 | 0 | 0 | 191 | 0 | 100.00 | |
| Food & Beverages | 0 | 0 | 0 | 0 | 190 | 100.00 | |
