|
| | Variable | Contents | Value | Selected variables |
|
| x1 | Type of building | Pearson correlation coefficient | −0.483 | |
| Significant probability (both) | 0.000 |
| x2 | Area | Pearson correlation coefficient | 0.775 | |
| Significant probability (both) | 0.000 |
| x3 | Short- and long-side ratio in the floor plan | Pearson correlation coefficient | −0.072 | |
| Significant probability (both) | 0.000 |
| x4 | Classification of physical space | Pearson correlation coefficient | 0.001 | |
| Significant probability (both) | 0.000 |
| x5 | Inner and outer wall area ratio | Pearson correlation coefficient | 0.001 | |
| Significant probability (both) | 0.000 |
| x6 | Number of rooms | Pearson correlation coefficient | 0.339 | |
| Significant probability (both) | 0.000 |
| x7 | Number of toilets | Pearson correlation coefficient | 0.245 | |
| Significant probability (both) | 0.000 |
| x8 | Balcony type | Pearson correlation coefficient | 0.056 | |
| Significant probability (both) | 0.000 |
| x9 | Insulation boundary condition | Pearson correlation coefficient | −0.432 | |
| Significant probability (both) | 0.000 |
| x10 | Window area ratio | Pearson correlation coefficient | 0.035 | |
| Significant probability (both) | 0.000 |
| x11 | Year of completion | Pearson correlation coefficient | −0.233 | |
| Significant probability (both) | 0.000 |
| x12 | Building orientation | Pearson correlation coefficient | 0.032 | |
| Significant probability (both) | 0.000 |
| x13 | Occupancy (number of people in a room) | Pearson correlation coefficient | −0.005 | |
| Significant probability (both) | 0.000 |
| x14 | Room schedule | Pearson correlation coefficient | 0.139 | |
| Significant probability (both) | 0.000 |
| x15 | Energy requirements | Pearson correlation coefficient | 1 | |
| Significant probability (both) | - |
|
