[Retracted] Application of English Vocabulary Presentation Based on Clustering in College English Teaching

Table 2

Test set description and classification experimental data.

Test set	Category/text number	K Value	KNN		Optimized KNN
			P	T(s)	P	T(s)
Group 1	2/300	7	0.8933	34.82	0.9200	32.65
Group 2	2/600	7	0.8617	66.96	0.8700	57.31
Group 3	3/900	13	0.9111	133.04	0.9827	109.57
Group 4	4/1200	13	0.8358	262.89	0.86257	223.57
Group 5	5/1500	9	0.8746	419.18	0.8787	358.83