[Retracted] Analysis of Affective Factors and Optimization Strategies of Emotion in Online Teaching Based on Improved SVM Model

Table 2

B frequency distribution table of students’ face area values.

Group order	Group median	Frequency	Frequency	Cumulative frequency
1	28,991	11	0.045453	0.045451
2	30,522	14	0.068182	0.113635
3	32,056	12	0.054551	0.16817
4	33,591	16	0.07726	0.244