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math.ST2021
Surrogate Assisted Semi-supervised Inference for High Dimensional Risk Prediction
Jue Hou, Zijian Guo, Tianxi Cai
Risk modeling with EHR data is challenging due to a lack of direct observations on the disease outcome, and the high dimensionality of the candidate predictors. In this paper, we d…
math.ST2019
Extreme Eigenvalues of Nonlinear Correlation Matrices with Applications to Additive Models
Zijian Guo, Cun-Hui Zhang
The maximum correlation of functions of a pair of random variables is an important measure of stochastic dependence. It is known that this maximum nonlinear correlation is identica…