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

Table 1

Frequency distribution of face area value of classmate a.

Group order	Group median	Frequency	Frequency	Cumulative frequency
1	27,018	8	0.040908	0.040908
2	31,132	10	0.04	0.090907
3	35,242	28	0.131817	0.223781
4	399,354	62	0.286362	0.508