# From Fixed-X to Random-X Regression: Bias-Variance Decompositions, Covariance Penalties, and Prediction Error Estimation

> Research article (Journal of the American Statistical Association, 2018) · cited 54× · AI/ML

**Wikidata**: [openalex:W2625919377](https://www.wikidata.org/wiki/openalex:W2625919377)  
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