A negative review expresses unfavorable evaluation under a chosen rule. In score-based analysis, reviews rated 1, 2, or 3 are classified as negative, while ratings 4 or 5 are positive. section 3.3.3
Negative reviews also provide customer feedback about areas requiring improvement. Their text may be emotional, disorganized, misspelled, and written in another language, so interpretation requires practical inspection rather than automatic trust. section 5.2.2
Use negative-review classification to:
- Compare negative and positive review counts across product categories. section 3.3.3
- Simplify an unwieldy score distribution for a presentation or initial business discussion. section 3.3.3
- Locate recurring customer concerns that may guide improvements to products or buying experiences. section 5.2.2
Score-based classification
A Python workflow applies a function that returns “Positive” for scores of at least 4 and “Negative” otherwise, then plots category-level counts.
