Table 2 SHAP value ordering of different characteristics.
Feature name | SHAP average contribution value | Feature importance ranking |
|---|---|---|
User historical behavior sequence | 0.482 | 1 |
Course category | 0.325 | 2 |
Learning preference | 0.289 | 3 |
Study duration | 0.271 | 4 |
Course difficulty | 0.214 | 5 |
Course duration | 0.187 | 6 |
Age | 0.159 | 7 |
Teaching teacher | 0.093 | 8 |
Course grading | 0.087 | 9 |