# Phase I analysis of high-dimensional covariance matrices based on sparse leading eigenvalues

> Research article (Journal of Quality Technology, 2020) · cited 19× · AI/ML

**Wikidata**: [openalex:W3022403210](https://www.wikidata.org/wiki/openalex:W3022403210)  
**Source**: https://4ort.xyz/entity/phase-i-analysis-of-high-dimensional-covariance-matrices-based-on-sparse-leading-eigenvalues