# Single- and Multiple-Group Penalized Factor Analysis: A Trust-Region Algorithm Approach with Integrated Automatic Multiple Tuning Parameter Selection

> Research article (Psychometrika, 2021) · cited 17× · AI/ML

**Wikidata**: [openalex:W3139468644](https://www.wikidata.org/wiki/openalex:W3139468644)  
**Source**: https://4ort.xyz/entity/single-and-multiple-group-penalized-factor-analysis-a-trust-region-algorithm-approach-with-integrated-automatic-multiple