The Design of Personalized Education Resource Recommendation System under Big Data

Table 1

Comparison of accuracy before and after improvement.

User level	S1	S2	S3	S4
K-means accuracy	0.54	0.63	0.48	0.52
Comprehensive improvement accuracy	0.37	0.47	0.39	0.28
Relative improvement	0.48	0.51	0.38	0.47