# Cramér–Rao bound

> lower bound on variance of an estimator

**Wikidata**: [Q1138810](https://www.wikidata.org/wiki/Q1138810)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cramér–Rao_bound)  
**Source**: https://4ort.xyz/entity/cram-r-rao-bound


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)