Table 1 Structured processing method for sentiment polarity of subjective evaluations in EVs.

From: Unveiling consumer satisfaction and its driving factors of EVs in China using an explainable artificial intelligence approach

Evaluation type

Frequency

Scoring

Satisfaction

Positive evaluation

1

2

Satisfied

 

2

4

Quite satisfied

 

≥3

6

Very satisfied

Neutral or unassessed evaluation

N/A

0

Neutral

Negative evaluation

1

–2

Dissatisfied

 

2

–4

Quite dissatisfied

 

≥3

–6

Very dissatisfied