# State-space models’ dirty little secrets: even simple linear Gaussian models can have estimation problems

> Research article (Scientific Reports, 2016) · cited 138× · AI/ML

**Wikidata**: [openalex:W2262133047](https://www.wikidata.org/wiki/openalex:W2262133047)  
**Source**: https://4ort.xyz/entity/state-space-models-dirty-little-secrets-even-simple-linear-gaussian-models-can-have-estimation-problems