832 citations · 3k across the 34 of their papers we have counts for
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stat.ME2012★ 162 cited
Correlated variables in regression: clustering and sparse estimation
Peter Bühlmann, Philipp Rütimann, Sara van de Geer +1
We consider estimation in a high-dimensional linear model with strongly correlated variables. We propose to cluster the variables first and do subsequent sparse estimation such as…
stat.ME2012★ 194 cited
L1-Penalization for Mixture Regression Models
Nicolas Städler, Peter Bühlmann, Sara van de Geer
We consider a finite mixture of regressions (FMR) model for high-dimensional inhomogeneous data where the number of covariates may be much larger than sample size. We propose an l1…