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Sparse covariance estimation in heterogeneous samples()
Standard Gaussian graphical models implicitly assume that the conditional independence among variables is common to all observations in the sample. However, in practice, observations are usually collected from heterogeneous populations where such an assumption is not satisfied, leading in turn to no...
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| I publikationen: | Electron J Stat |
|---|---|
| Huvudupphovsmän: | , , |
| Materialtyp: | Artigo |
| Språk: | Inglês |
| Publicerad: |
2011
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| Ämnen: | |
| Länkar: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4767329/ https://ncbi.nlm.nih.gov/pubmed/26925189 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1214/11-EJS634 |
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