표 4 국내 연구의 모델별 Silhouette 계수

Type	model #	TF-IDF	Topic	α	β	Silhouette
Word	3	0.1	4	0.2	0.01	0.781
Word	7	0.1	5	0.2	0.01	0.732
Word	11	0.1	6	0.2	0.01	0.661
Word	15	0.1	7	0.2	0.01	0.689