# Robust mean and covariance matrix estimation under heterogeneous mixed-effects model with missing values

> Research article (Signal Processing, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3166893201](https://www.wikidata.org/wiki/openalex:W3166893201)  
**Source**: https://4ort.xyz/entity/robust-mean-and-covariance-matrix-estimation-under-heterogeneous-mixed-effects-model-with-missing-values