A Coupled User Clustering Algorithm Based on Mixed Data for Web-Based Learning Systems

Table 3

Comprehensive evaluation index system.

First-level index	Second-level index
Autonomic learning	Times of doing homework
	Average correct rate of homework
	Number of learning resources
	Total time length of learning resources
	Times of daily quiz
	Daily average quiz result
	Comprehensive test result
	Number of collected resources
	Times of downloaded resources
	Times of making notes
Interactive learning	Times of asking questions
	Times of marking and remarking
	Times of answering classmates' questions
	Times of posting comments on the BBS
	Times of interaction by BBS message
	Times of sharing resources
	Average marks made by the teacher
	Average marks made by other students
	Times of marking and remarking made by the student for the teacher
	Times of marking and remarking made by the student for other students