[Retracted] A Personalized Recommendation Algorithm for Political and Ideological Courses in Colleges Using Multiple Interests of Users

Table 3

Experimental data set.

Object	The amount of data	Annotation
User	5721 people	Number of course options ≥2
Course	3	Less than the number of course attribute information
Behavioral information	Course selection 259 times	Among them, 5.6% of users only participate in basic courses