# Classification of congestive heart failure with different New York Heart Association functional classes based on heart rate variability indices and machine learning

> Research article (Expert Systems, 2019) · cited 20× · AI/ML

**Wikidata**: [openalex:W2921329966](https://www.wikidata.org/wiki/openalex:W2921329966)  
**Source**: https://4ort.xyz/entity/classification-of-congestive-heart-failure-with-different-new-york-heart-association-functional-classes-based-on-heart-r