Table 9.

Results of laptops in ChnSentiCorp by KNN.

Model	Accuracy and F1 of Different Dimension
	200		300		500		800
	Acc	F1	Acc	F1	Acc	F1	Acc	F1
FW	0.8083	0.8079	0.813	0.8104	0.7833	0.7829	0.7633	0.7632
P2	0.7605	0.7602	0.7685	0.768	0.7623	0.762	0.7623	0.7619
PW	0.816	0.8157	0.8153	0.8147	0.8108	0.8105	0.8148	0.8144
FP2	0.81	0.8096	0.811	0.8083	0.7868	0.7864	0.7675	0.7675
FPW	0.8383	0.8378	0.8373	0.8358	0.823	0.8222	0.8185	0.8178
FPC	0.8288	0.8284	0.8343	0.8326	0.8108	0.8102	0.8095	0.8092
Accuracy and F1 of Baselines
Model	Acc				F1
TF–IDF	0.5973				0.5391
LDA	0.8065				0.8059
Word2Vec	0.8178				0.8173