[Retracted] Research on Book Recommendation Algorithm Based on Collaborative Filtering and Interest Degree

Table 2

2020 classified borrowing statistics.

Class name	Class number	Jan.	Feb.		Jun.	Jul.	Aug.	Sept.	Oct.	Nov.	Dec.
Marxist		2	0		0	4	0	3	14	5	5
Philosophy		30	0		9	7	0	18	92	126	55
Social science		26	0		6	3	0	6	24	49	44
Politics		0	0		1	13	0	5	9	32	34
Military		0	0		0	0	0	0	4	5	4
Economic		18	0		17	10	0	34	51	145	102
Culture		17	0		13	0	0	31	42	27	43
Language		65	0		35	9	0	88	370	480	330
Literature		127	0		131	43	0	115	788	1528	765
Art		24	0		22	0	0	23	98	102	59
History		23	0		11	14	0	23	78	110	61
Natural		0	0		12	0	0	2	1	8	1
Mathematical		9	0		4	0	0	7	41	47	73
Astronomical		0	0		1	0	0	0	2	6	1
Biological		1	0		2	0	0	0	2	8	1
Medicine		2	0		10	0	0	13	8	18	15
Agriculture		1	0		0	0	0	1	0	2	1
Industry		98	0		36	27	3	92	147	296	233
Traffic		0	0		1	0	0	0	3	1	3
Aviation		0	0		0	0	0	0	0	0	0
Surroundings		1	0		0	0	0	0	0	0	2
Comprehensive		9	0		18	1	0	16	20	21	17