Analysis of Factors Influencing Public Foundation Course Performance among University Students Based on Decision Tree Models

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Student Achievement Information Form

Code	Name	Data type	Field size
SPN	surname and personal name	text	8
Sex	Sex	varchar	2
S_ID	Student ID	varchar	10
NA	Nation	text	2
TP	Total points	int	3
Cn	Chinese	int	3
MA	Mathematics	int	3
Es	English	int	3
PH	Physics / History	int	3
C	Chemistry	int	3
Bg	Geographical features of a place	int	3
IP	Ideology and politics	int	3
LT	Living things	int	3

Statistical tables of the impact of the family environment on performance

	Under 400	400-500	500-600	600-700	700-750
Come from a poor family	30	100	48	20	2
Rich family	10	32	100	50	8

Statistical table of the influence of comprehension ability on language performance

Understand the level of ability	Below 90	90-100	100-110	110-120	More than 120
1-4	20	30	9	1	0
5-8	48	100	35	15	2
9-10	0	0	7	20	13

Student Information Building Table

Code	Name	Data type	Field size
SPN	Surname and personal name	text	8
Sex	Sex	varchar	2
Ag	Age	int	2
NA	Nation	text	10
ID_N	ID number	varchar	18
CN	Contact number	varchar	11
ID_S	Student ID	varchar	10
HA	Home address	text	20

Statistical table of the influence of teacher-student relationship on class performance

	The worst result	best total of points	average scores
Good class	380	650	560
Bad class	250	580	500

Teacher Information Collection Form

Code	name	data type	Field size
SPN	Surname and personal name	text	8
TS	Teaching subjects	varchar	5
WT	Whether the head teacher	varchar	2
TC	Teaching class	varchar	5
Sex	Sex	varchar	2
Age	Age	int	2
NA	Nation	text	10
ID_N	ID number	varchar	20
CN	Contact number	varchar	20
AD	Address	varchar	10

Statistics of grade levels for different IQs

IQ level	Under 400	400-500	500-600	600-700	700-750
80-90	25	20	5	0	0
90-100	50	150	90	10	0
100-110	80	195	172	50	3
110-120	15	50	80	30	5
120-130	0	3	5	10	2

Statistical table of the influence of motivation on learning

	Under 400	400-500	500-600	600-700	700-750
Have the power	5	10	15	18	20
unpowered	15	10	5	2	0

Statistical table of the importance of effort

	Under 400	400-500	500-600	600-700	700-750
Efforts are important	10	15	18	20	20
Hard work doesn't matter	10	5	2	0	0