Table 3 Household properties used to evaluate the household classification methodology; the relative class sizes in the complete sample and the finally used part, such as the mean and standard deviation of Accuracy and F1-scores for the Random Forest model based on all data sources are given
From: Mining volunteered geographic information for predictive energy data analytics
Property | Class labels | Class size | Class size | Accuracy (%) | F1-Score (%) | ||
|---|---|---|---|---|---|---|---|
| Â | Â | \(\mathcal {A}\) | \(\mathcal {B}\) | Mean | (SD) | Mean | (SD) |
Household type | apartment | 52.03% | 69.23% | 77.94 | (5.30) | 83.28 | (3.01) |
| Â | house | 47.97% | 30.77% | Â | Â | 66.36 | (13.18) |
Living area | ≤ 95 | 34.07% | 34.95% | 59.78 | (2.50) | 65.00 | (4.28) |
|  | 96−145 | 33.23% | 40.61% |  |  | 58.17 | (4.10) |
|  | > 145 | 32.70% | 24.43% |  |  | 56.40 | (5.24) |
Number of | 1 person | 13.07% | 17.31% | 58.08 | (5.07) | 50.39 | (11.97) |
Residents | 2 persons | 40.32% | 43.01% | Â | Â | 59.76 | (5.03) |
|  | 3−5 persons | 43.92% | 38.12% |  |  | 59.07 | (6.09) |
|  | > 5 persons | 2.69% | 1.47% |  |  | 0 | (0.00) |
Heating type | electric | 12.86% | 9.73% | 90.05 | (0.52) | 68.08 | (3.59) |
| Â | other | 87.14% | 90.27% | Â | Â | 71.68 | (4.30) |
Water heating | electric | 50.49% | 44.97% | 70.03 | (3.87) | 68.08 | (3.59) |
type | other | 49.51% | 55.03% | Â | Â | 71.68 | (4.30) |