Table 6 Top 10 important options by the improved TF-IDF.
From: A comprehensive psychological tendency prediction model for pregnant women based on questionnaires
Option description | Depression | Normal | Imp-TF-IDF | IG |
|---|---|---|---|---|
1. Feel pressure now | 138 | 646 | 0.3195 | 0.0044 |
2. Children will influence the relationship with lover | 83 | 322 | 0.2537 | 0.0032 |
3. Staff | 102 | 578 | 0.2483 | 0.0022 |
4. Occasionally passive smoking | 124 | 937 | 0.2380 | 0.0014 |
5. Own wishes (the reason for wanting a baby) | 82 | 494 | 0.2133 | 0.0015 |
6. Worried about economic pressure | 92 | 707 | 0.2042 | 0.0009 |
7. Cesarean section | 73 | 431 | 0.2005 | 0.0014 |
8. Drinking occasionally | 72 | 443 | 0.1956 | 0.0012 |
9. Passive smoking > 3 hours/day | 41 | 79 | 0.1864 | 0.0029 |
10. General (relationship with colleagues) | 44 | 115 | 0.1826 | 0.0025 |
Average value of all options | 0.1005 | 0.0005 |