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math.ST2015
On Degrees of Freedom of Projection Estimators with Applications to Multivariate Nonparametric Regression
Xi Chen, Qihang Lin, Bodhisattva Sen
In this paper, we consider the nonparametric regression problem with multivariate predictors. We provide a characterization of the degrees of freedom and divergence for estimators…
math.ST2015
Fast Sparse Least-Squares Regression with Non-Asymptotic Guarantees
Tianbao Yang, Lijun Zhang, Qihang Lin +1
In this paper, we study a fast approximation method for {\it large-scale high-dimensional} sparse least-squares regression problem by exploiting the Johnson-Lindenstrauss (JL) tran…