| Typicality: | 0.537 |
| Saliency: | 0.503 |
| from combination boiler swaps | 11 | other |
| boiler → be required to be → condensing boilers | 21 |
| boiler → be fitted to → a rated condensing boilers | 11 |
| boiler → be → high efficiency condensing boilers | 3 |
| negative | neutral | positive |
| 0.021 | 0.357 | 0.622 |
| Raw frequency | 35 |
| Normalized frequency | 0.503 |
| Modifier score | 0.994 |
| Perplexity | 85.179 |