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- W2951694141 abstract "We compare the risk of ridge regression to a simple variant of ordinary least squares, in which one simply projects the data onto a finite dimensional subspace (as specified by a Principal Component Analysis) and then performs an ordinary (un-regularized) least squares regression in this subspace. This note shows that the risk of this ordinary least squares method is within a constant factor (namely 4) of the risk of ridge regression." @default.
- W2951694141 created "2019-06-27" @default.
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- W2951694141 date "2011-05-04" @default.
- W2951694141 modified "2023-09-27" @default.
- W2951694141 title "A Risk Comparison of Ordinary Least Squares vs Ridge Regression" @default.
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