# Multi-Class Confusion Matrix Reduction method and its application on Net Promoter Score classification problem

> Research article (Proceedings of the 14th PErvasive Technologies Related to Assistive Environments Conference, 2021) · cited 100× · AI/ML

**Wikidata**: [openalex:W3177921646](https://www.wikidata.org/wiki/openalex:W3177921646)  
**Source**: https://4ort.xyz/entity/multi-class-confusion-matrix-reduction-method-and-its-application-on-net-promoter-score-classification-problem