| Typicality: | 0.499 |
| Saliency: | 0.427 |
| very | 17 | degree |
| usually | 9 | degree |
| as with any major energy upgrade | 4 | other |
| improvement → be → expensive | 25 |
| improvement → be → costly | 19 |
| improvement → be → more expensive | 4 |
| improvement → be → pricey | 3 |
| negative | neutral | positive |
| 0.415 | 0.416 | 0.169 |
| Raw frequency | 51 |
| Normalized frequency | 0.427 |
| Modifier score | 0.707 |
| Perplexity | 89.420 |