An EEG-Based Neuromarketing Approach for Analyzing the Preference of an Electric Car

Table 4

Clustering results.

	Symbol	Accuracy (%)	PPV (%)	Test 1 p value	Test 2 p value
1	Frontal alpha band	81.2	84.7	0.3	0.4
2	Frontal-central alpha band	86.4	83.2	0.04	0.01
3	Frontal-central alpha and theta band	83.8	81.5	0.5	0.7
4	Frontal-central alpha band S1 and S2 stages	89.3	93.2	0.02	0.04
5	Frontal-central alpha band D1 and D2 stages	92.4	90.9	0.01	0.4