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

Table 1

Test set description and experimental data of clustering.

Test set	Category/text number	K-medoids			K-GA-medoids
		P	R	F	P	R	F
Group 1	2/120	0.5547	0.5525	0.5536	0.6065	0.5667	0.5857
Group 2	4/240	0.4055	0.3983	0.4017	0.4336	0.4071	0.4198
Group 3	6/360	0.4515	0.3828	0.4143	0.4600	0.4286	0.4433
Group 4	6/540	0.4071	0.4037	0.4053	0.4760	0.3850	0.4249
Group 5	8/720	0.3265	0.3107	0.3182	0.3988	0.3394	0.3662