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Paper detail

Functional Choice and Non-significance Regions in Regression

Given data $y$ and $k$ covariates $x$ the problem is to decide which covariates to include when approximating $y$ by a linear function of the covariates. The decision is based on replacing subsets of the covariates by i.i.d. normal random variables and comparing the error with that obtained by retaining the subsets. If the two errors are not significantly different for a particular subset it is concluded that the covariates in this subset are no better than random noise and they are not included in the linear approximation to $y$.

preprint2016arXivOpen access
Laurie Davies
math.STStatistics Theory
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Laurie Davies

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