# orthogonality principle

> condition for optimality of Bayesian estimator (in statistics and signal processing)

**Wikidata**: [Q7104536](https://www.wikidata.org/wiki/Q7104536)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Orthogonality_principle)  
**Source**: https://4ort.xyz/entity/orthogonality-principle