Research Article
Ideological and Political Education Recommendation System Based on AHP and Improved Collaborative Filtering Algorithm
| | Student | Course 1 | Course 2 | Course 3 | Course 4 | Course 5 |
| | Student 1 | (4, 3rd) | (5, 2nd) | (4, 1st) | NaN | (2, 4th) | | Student 2 | (3, 1st) | NaN | NaN | NaN | (3, 2nd) | | Student 3 | NaN | (2, 1st) | (2, 4th) | (5, 3rd) | (4, 2nd) | | Student 4 | (4, 2nd) | (4, 1st) | NaN | (3, 3rd) | NaN | | Student 5 | (3, 1st) | NaN | (5, 4th) | (2, 2nd) | (3, 3rd) |
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