# Selecting the number of factors in principal component analysis by permutation testing—Numerical and practical aspects

> Research article (Journal of Chemometrics, 2017) · cited 49× · AI/ML

**Wikidata**: [openalex:W2763706698](https://www.wikidata.org/wiki/openalex:W2763706698)  
**Source**: https://4ort.xyz/entity/selecting-the-number-of-factors-in-principal-component-analysis-by-permutation-testingnumerical-and-practical-aspects