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stat.ME2011
On best subset regression
Shifeng Xiong
In this paper we discuss the variable selection method from \ell0-norm constrained regression, which is equivalent to the problem of finding the best subset of a fixed size. Our st…
stat.CO2011★ 3 cited
OEM for least squares problems
Shifeng Xiong, Bin Dai, Peter Z. G. Qian
We propose an algorithm, called OEM (a.k.a. orthogonalizing EM), intended for var- ious least squares problems. The first step, named active orthogonization, orthogonalizes an arbi…