Table 2 Model performance in discrimination between different proficiency levels measured as the area under the ROC curve
From: Estimating educational outcomes from students’ short texts on social media
Level 1 | Level 2 | Level 3 | Level 4 | Level 5 | Level 6 | |
|---|---|---|---|---|---|---|
Bellow level 1 | 0.573 | 0.665 | 0.774 | 0.870 | 0.951 | 0.987 |
Level 1 | 0.604 | 0.723 | 0.833 | 0.930 | 0.971 | |
Level 2 | 0.621 | 0.748 | 0.864 | 0.919 | ||
Level 3 | 0.649 | 0.797 | 0.889 | |||
Level 4 | 0.666 | 0.770 | ||||
Level 5 | 0.571 |