Abstract
Estimation of discrete structure such as in variable selection or graphical modeling is notoriously difficult, especially for high-dimensional data. Subsampling or bootstrapping have the potential to substantially increase the stability of high-dimensional selection algorithms and to quantify their uncertainties. Stability via subsampling or bootstrapping has been introduced by Breiman (1996) in the context of prediction. Here, the focus is different: the resampling scheme can provide finite sample control for certain error rates of false discoveries and hence a transparent principle to choose a proper amount of regularization for structure estimation. We discuss methodology and theory for very general settings which include variable selection in linear or generalized linear models or graphical modeling from Chapter 13. For the special case of variable selection in linear models, the theoretical properties (developed here) for consistent selection using stable solutions based on subsampling or bootstrapping require slightly stronger assumptions and are less refined than say for the adaptive or thresholded Lasso.
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© 2011 Springer-Verlag Berlin Heidelberg
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Bühlmann, P., van de Geer, S. (2011). Stable solutions. In: Statistics for High-Dimensional Data. Springer Series in Statistics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-20192-9_10
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DOI: https://doi.org/10.1007/978-3-642-20192-9_10
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-20191-2
Online ISBN: 978-3-642-20192-9
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