# Tr(R <sup>2</sup> ) control charts based on kernel density estimation for monitoring multivariate variability process

> Research article (Cogent Engineering, 2019) · cited 23× · AI/ML

**Wikidata**: [openalex:W2972782794](https://www.wikidata.org/wiki/openalex:W2972782794)  
**Source**: https://4ort.xyz/entity/tr-r-sup-2-sup-control-charts-based-on-kernel-density-estimation-for-monitoring-multivariate-variability-process