| compared to the late 1970 | 6 | other |
| sample → be used for → analysis | 40 |
| sample → be used in → the analysis | 15 |
| sample → be used in → analysis | 10 |
| sample → be used in → this analysis | 7 |
| sample → be used for → this analysis | 6 |
| sample → be used for → the analysis | 6 |
| negative | neutral | positive |
| 0.115 | 0.800 | 0.085 |
| Raw frequency | 84 |
| Normalized frequency | 0.453 |
| Modifier score | 1.000 |
| Perplexity | 182.504 |