| to the knowledge economy | 10 | other |
| for engineers | 4 | other |
| for advancement | 3 | purpose |
| skill → be → essential | 15 |
| skill → be → important | 8 |
| skill → be → critical | 6 |
| skill → be → vital | 5 |
| negative | neutral | positive |
| 0.042 | 0.431 | 0.528 |
| Raw frequency | 34 |
| Normalized frequency | 1.000 |
| Modifier score | 0.500 |
| Perplexity | 69.773 |