# Robust Functional Principal Component Analysis via a Functional Pairwise Spatial Sign Operator

> Research article (Biometrics, 2022) · cited 14× · AI/ML

**Wikidata**: [openalex:W4280520263](https://www.wikidata.org/wiki/openalex:W4280520263)  
**Source**: https://4ort.xyz/entity/robust-functional-principal-component-analysis-via-a-functional-pairwise-spatial-sign-operator