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Cluster-induced target shift and synthetic approximation for high-dimensional clustered data

Ye, Shangyuan et al.
arXiv (All) · Papers
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methodology
In high-dimensional clustered data, covariates whose distributions differ across clusters can act as proxies for unobserved cluster effects. We show that the marginal-model LASSO implicitly uses sparse combinations of such covariates to shift the estimation target from structural coefficients to a c
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