[Retracted] Evaluation Method of Advanced Mathematics Teaching Reform Effect Based on Big Data Analysis Technology

Table 6

Statistical table of class hours for some majors of the college.

Semester	2019		2020		2021
Major	First	Second	First	Second	First	Second
Electrical automation	96	48	64	48	48	32
Machinery manufacturing	96	48	64	48	48	32
Mine geology	96	48	64	32	48	32
Industry analysis,	96	48	64	32	48	32
Mining	96	48	64	32	48	32
Accounting	64	32	64	32	64	0