# Factor extraction using Kalman filter and smoothing: This is not just another survey

> Research article (International Journal of Forecasting, 2021) · cited 28× · AI/ML

**Wikidata**: [openalex:W3134593203](https://www.wikidata.org/wiki/openalex:W3134593203)  
**Source**: https://4ort.xyz/entity/factor-extraction-using-kalman-filter-and-smoothing-this-is-not-just-another-survey