# Model-free coordinate test and variable selection via directional regression

> Research article (Statistica Sinica, 2015) · cited 12× · AI/ML

**Wikidata**: [openalex:W2464114480](https://www.wikidata.org/wiki/openalex:W2464114480)  
**Source**: https://4ort.xyz/entity/model-free-coordinate-test-and-variable-selection-via-directional-regression