Zhigen Zhao
Temple University
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Publication
Featured researches published by Zhigen Zhao.
Annals of Statistics | 2018
Qian Lin; Zhigen Zhao; Jun S. Liu
We provide here a framework to analyze the phase transition phenomenon of slice inverse regression (SIR), a supervised dimension reduction technique introduced by \cite{Li:1991}. Under mild conditions, the asymptotic ratio
The Annals of Applied Statistics | 2013
Zhigen Zhao; Wei Wang; Zhi Wei
\rho= \lim p/n
The Annals of Applied Statistics | 2014
Nicolle Clements; Sanat K. Sarkar; Zhigen Zhao; Dong-Yun Kim
is the phase transition parameter and the SIR estimator is consistent if and only if
Laryngoscope | 2014
Mursalin M. Anis; Zhigen Zhao; Jasvir S. Khurana; Evgeny Krynetskiy; Ahmed M. S. Soliman
\rho= 0
Journal of Multivariate Analysis | 2015
Li He; Sanat K. Sarkar; Zhigen Zhao
. When dimension
Journal of the American Statistical Association | 2013
J. T. Gene Hwang; Zhigen Zhao
p
Journal of Biopharmaceutical Statistics | 2014
Yu-Wei Chang; Yi Tsong; Xiaoyu Dong; Zhigen Zhao
is greater than
Laryngoscope | 2018
Mursalin M. Anis; Natalia Krynetskaia; Zhigen Zhao; Evgeny Krynetskiy; Ahmed M. S. Soliman
n
Journal of the American Statistical Association | 2018
Qian Lin; Zhigen Zhao; Jun S. Liu
, we propose a diagonal thresholding screening SIR (DT-SIR) algorithm. This method provides us with an estimate of the eigen-space of the covariance matrix of the conditional expectation
Journal of Biopharmaceutical Statistics | 2017
Yu-Wei Chang; Yi Tsong; Zhigen Zhao
var(\mathbf{E}[\boldsymbol{x}|y])