科研之友
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摘要
The aim of this paper is to provide a comprehensive introduction for the study of l(1)-penalized estimators in the context of dependent observations. We define a general l(1)-penalized estimator for solving problems of stochastic optimization. This estimator turns out to be the LASSO [Tib96] in the regression estimation setting. Powerful theoretical guarantees on the statistical performances of the LASSO were provided in recent papers, however, they usually only deal with the iid case. Here, we study this estimator under various dependence assumptions.
- 出版日期2011
