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09/08/2018
Computational Sufficiency, Reflection Groups, and Generalized Lasso Penalties
We study estimators with generalized lasso penalties within the computat...
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07/16/2018
Group Invariance and Computational Sufficiency
Statistical sufficiency formalizes the notion of data reduction. In the ...
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01/27/2014
Sparsistency and agnostic inference in sparse PCA
The presence of a sparse "truth" has been a constant assumption in the t...
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11/02/2012
Minimax sparse principal subspace estimation in high dimensions
We study sparse principal components analysis in high dimensions, where ...
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02/03/2012