# Limiting flexibility in nonparametric efficiency evaluations: An ex post k-centroid clustering approach

> Research article (European Journal of Operational Research, 2023) · cited 14× · AI/ML

**Wikidata**: [openalex:W4377023779](https://www.wikidata.org/wiki/openalex:W4377023779)  
**Source**: https://4ort.xyz/entity/limiting-flexibility-in-nonparametric-efficiency-evaluations-an-ex-post-k-centroid-clustering-approach