# Bias-variance decomposition

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

[Catalogue presentation and source-binding data](https://ocme.evemisslab.com/data/i18n/catalogue.en.json)



## [Bias-variance decomposition](https://ocme.evemisslab.com/en/atlas/atlas-bias-variance-decomposition/)

For each parameter value and its sampling law, scalar-estimator MSE equals variance plus squared bias.

atlas-bias-variance-decomposition · canonical_mko

[Bias-variance decomposition](https://ocme.evemisslab.com/en/mko/mko-bias-variance-decomposition/)

## Prerequisite nodes


- [Mean squared error of an estimator](https://ocme.evemisslab.com/en/atlas/atlas-estimator-mean-squared-error/)
- [Estimator bias](https://ocme.evemisslab.com/en/atlas/atlas-estimator-bias/)
- [Estimator variance](https://ocme.evemisslab.com/en/atlas/atlas-estimator-variance/)