Case clustering number

F1 score

F2 score

F3 score

Participants focusing on product quality

Average value

0.8710

−1.1160

0.0901

People who pay attention to brand and publicity

Average value

−0.8894

1.2131

−0.8322

Loyal crowd focusing on convenience and after-sales

Average value

−0.7695

0.1983

0.2906