# Estimating the number of signals using principal component analysis

> Research article (Stat, 2019) · cited 13× · AI/ML

**Wikidata**: [openalex:W2945638852](https://www.wikidata.org/wiki/openalex:W2945638852)  
**Source**: https://4ort.xyz/entity/estimating-the-number-of-signals-using-principal-component-analysis