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math.ST2013★ 240 cited
Adaptive piecewise polynomial estimation via trend filtering
Ryan J. Tibshirani
We study trend filtering, a recently proposed tool of Kim et al. [SIAM Rev. 51 (2009) 339-360] for nonparametric regression. The trend filtering estimate is defined as the minimize…
math.ST2013★ 565 cited
A significance test for the lasso
Richard Lockhart, Jonathan Taylor, Ryan J. Tibshirani +1
In the sparse linear regression setting, we consider testing the significance of the predictor variable that enters the current lasso model, in the sequence of models visited along…