728 citations
- California Institute of TechnologyUS37 papers
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Showing 2012 · math.STShow all
3 papers · 2 filters
math.ST2012★ 48 cited
Nonconcave penalized composite conditional likelihood estimation of sparse Ising models
Lingzhou Xue, Hui Zou, Tianxi Cai
The Ising model is a useful tool for studying complex interactions within a system. The estimation of such a model, however, is rather challenging, especially in the presence of hi…
math.ST2012★ 28 cited
Estimating sufficient reductions of the predictors in abundant high-dimensional regressions
R. Dennis Cook, Liliana Forzani, Adam J. Rothman
We study the asymptotic behavior of a class of methods for sufficient dimension reduction in high-dimension regressions, as the sample size and number of predictors grow in various…
math.ST2012★ 14 cited
Asymptotic properties of the sequential empirical ROC, PPV and NPV curves under case-control sampling
Joseph S. Koopmeiners, Ziding Feng
The receiver operating characteristic (ROC) curve, the positive predictive value (PPV) curve and the negative predictive value (NPV) curve are three measures of performance for a c…