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stat.ML2012★ 13 cited
Oracle inequalities for computationally adaptive model selection
Alekh Agarwal, Peter L. Bartlett, John C. Duchi
We analyze general model selection procedures using penalized empirical loss minimization under computational constraints. While classical model selection approaches do not conside…
stat.ML2012
Stochastic optimization and sparse statistical recovery: An optimal algorithm for high dimensions
Alekh Agarwal, Sahand Negahban, Martin J. Wainwright
We develop and analyze stochastic optimization algorithms for problems in which the expected loss is strongly convex, and the optimum is (approximately) sparse. Previous approaches…