Covariance matrix estimation and its applications

Model and analysis of high-dimensional data

Computer experiments and uncertainty quantification

Design and analysis of experiments

Machine learning in smart manufactruing

Statistical modeling for Nanotechnology

Large Gaussian Covariance Matrix Estimation with Markov Structure,
*Journal of Computational and Graphical Statistics*,
**18(3)**, 640-657.
Penalized Covariance Matrix Estimation using a Matrix-Logarithm Transformation,
*Journal of Computational and Graphical Statistics*,
**22(2)**, 494-512.
Cholesky-based Model Averaging for Covariance Matrix Estimation,
*Statistical Theory and Related Fields*,
**1(1)**, 48-58.
A Parallel Ensemble Kalman Filter Implementation Based on Modified Cholesky Decomposition,
*Journal of Computational Science*,
**36**, 100654.
An Ensemble Kalman Filter Implementation Based On Modified Cholesky Decomposition for Inverse Covariance Matrix Estimation,
*SIAM Journal on Scientific Computing*,
**40(2)**, A867-A886.
On Variable Ordination of Modified Cholesky Decomposition for Estimating Time-Varying Covariance Matrices,
*International Statistical Review*,
in press.
An Improved Modified Cholesky Decomposition Method for Inverse Covariance Matrix Estimation,
*Journal of Statistical Computation and Simulation*,
in press.
On Variable Ordination of Modified Cholesky Decomposition for Sparse Covariance Matrix Estimation,
*Canadian Journal of Statistics*, in press.

A Note on Robust Kernel Principal Component Analysis,
*Contemporary Mathematics*,
**443**, 21-33.
Sparse Linear Discriminant Analysis by Thresholding for High Dimensional Data,
*Annals of Statistics*,
**39(2)**, 1241-1265.
Estimation in High-Dimensional Linear Models with Deterministic Covariates,
*Annals of Statistics*,
**40(2)**, 812-831.
Robust Joint Sparse Estimation of Multiresponse Regression and Inverse Covariance Matrix,
*19th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2013)*,
293-301. (Acceptance rate 25%).
Sparse Estimation of Multivariate Poisson Log-Normal Model and Inverse Covariance for Counting Data
,
*Statistical Analysis and Data Mining*,
**11**, 66-77.
Spatial Variable Selection via Elastic Net with an Application to Virginia Lyme Disease Case Data,
*Journal of the American Statistical Association*,
in press.
Efficient Estimation of Smoothing Spline with Exact Shape Constraints,
*Statistical Theory and Related Fields*, in press.
Adaptive Convex Clustering of Generalized Linear Models with Application in Purchase Likelihood Prediction,
*Technometrics*, in press.
Multivariate Regression of Mixed Responses for Evaluation of Visualization Designs,
*IISE Transactions*, in press.
Scalable Algorithms for the Sparse Ridge Regression,
*SIAM Journal on Optimization*, accepted.

Design for Computer Experiments with Qualitative and Quantitative Factors,
*Statistica Sinica*,
**25**, 1567-1581.
Online Updating of Computer Model Output Using Real-time Sensor Data,
*Technometrics*,
**58(4)**, 472-482.
Additive Gaussian Process for Computer Models with Qualitative and Quantitative Factors,
*Technometrics*,
**59(3)**, 283-292.
Design and Analysis of Computer Experiments with Quantitative and Qualitative Inputs: A Selective Review,
*WIREs Data Mining and Knowledge Discovery*, in press.

Experimental Design,
*WIREs Data Mining and Knowledge Discovery*,
**2**, 164-172.
Additive Heredity Model for the Analysis of Mixture-of-Mixtures Experiments,
*Technometrics*,
in press.
A Sequential Algorithm for Elastic I-Optimal Design of Generalized Linear Models,
*Canadian Journal of Statistics*, in press.
Networked Experiments and Modeling for Producing Collective Identity in a Group of Human Subjects Using an Iterative Abduction Framework,
*Social Network Analysis and Mining*,
in press.
Data Analysis and Modeling Pipelines for Controlled Networked Social Science Experiments,
*PLoS One*,
accepted.

Ensemble Modeling for Data Fusion in Manufacturing Process Scale-up.,
*IIE Transactions*,
**47(3)**, 203-214.
QQ Models: Joint Modeling for Quantitative and Qualitative Quality Responses in Manufacturing Systems,
*Technometrics*,
**57(3)**, 320-331.
Logistic Regression for Crystal Growth Process Modeling through Hierarchical Nonnegative Garrote based Variable Selection,
*IIE Transactions*,
**48(8)**, 787-796.
Functional Quantitative and Qualitative Models for Quality Modeling in a Fused Deposition Modeling Process,
*IEEE Transactions on Automation Science and Engineering*,
**15(1)**, 393-403.
Bayesian Hierarchical Models for Quantitative and Qualitative Responses,
*Journal of Quality Technology*,
**50(3)**, 290-308.
Dynamic Quality Models in Consideration of Equipment Degradation,
*Journal of Quality and Technology*,
**51(3)**, 217-229.
Manufacturing Quality Prediction Using Smooth Spatial Variable Selection Estimator with Applications in Aerosol Jet Printed Electronics Manufacturing,
*IISE Transactions*,
in press.
An EM-Algorithm Approach to Open Challenges on Correlation of Intermediate and Final Measurements,
*Quality Engineering*,
**31(3)**, 505-510.
Rejoinder: An EM-Algorithm Approach to Open Challenges on Correlation of Intermediate and Final Measurements,
*Quality Engineering*,
**31(3)**, 516-521.
A Statistics-Guided Approach to Dimensional Quality Characterization of Freeform Surfaces with an Application to 3D Printing,
*Quality Engineering*,
in press.
Meta-modeling of High-Fidelity FEA Simulation for Efficient Product and Process Design in Additive Manufacturing,
*Additive Manufacturing*, in press.

A Statistical Approach to Quantifying the Elastic Deformation of Nanomaterials,
*Proceedings of the National Academy of Sciences*,
**106(29)**, 11845-11850.
Applications of Statistical Quantification Techniques in Nanomechanics and Nanoelectronics,
*Nanotechnology*,
**21(40)**, 405704.
Spatial Modeling for Refining and Predicting Surface Potential Mapping with Enhanced Resolution.,
*Nanoscale*,
**5**, 921-926.
Spatial Calibration Model for Nanotube Film Quality Prediction,
*IEEE Transactions on Automation Science and Engineering*,
**13(2)**, 903-917.

Active Learning via Sequential Design with Applications to Detection of Money Laundering,
*Journal of the American Statistical Association*,
**104(487)**, 969-981.
Graph Scan Statistics with Uncertainty,
*32nd AAAI Conference on Artificial Intelligence (AAAI-18)*,
2771-2778. (Acceptance rate 25%).
Generative Modeling of Human Behavior and Social Interactions Using Abductive Analysis,
*10th IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2018)*,
413-420. (Acceptance rate 15%).
Mechanistic and Data-Driven Agent-Based Models to Explain Human Behavior in Web-Based Group Anagrams Games,
*11th IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2019)*
(Acceptance rate 14%).
On Design and Analysis of Funnel Testing Experiments in Webpage Optimization,
*Journal of Statistical Theory and Practice*,
in press.