1. Survey Sampling

• Guoyi Zhang and Bruce Swan, Variance Estimators for Stratified Random Sample,Under review.
• Yan Lu, Lang Zhou, Guoyi Zhang, and Ronald Christensen, Neyman Smooth Type Goodness-of-Fit Tests in Complex Surveys,Under review.
• Yan Lu, Ye Fu and Guoyi Zhang,Nonparametric Regression Estimators in Dual Frame Surveys,Communications in Statistics - Simulation and Computation, Volume 50, 2021 No. 3 2021.
• Guoyi Zhang, Yang Cheng, and Yan Lu, Generalized Variance Functions for Longitudinal Survey Data, Statistical Theory and Related Fields, Volume 3, No. 2, pages 150-157, 2019.
• Guoyi Zhang, Maozhen Gong, Yang Cheng, Adjusted Confidence Band for Complex Survey Data, Communications in Statistics - Simulation and Computation, Volume 45, No.6, pages: 1896- 1904, 2016.
• Guoyi Zhang, Fletcher Christensen, Wei Zheng, Nonparametric Regression Estimators in Complex Surveys, Journal of Statistical Computation and Simulation,Volume 85, Issue 5, pages 1026- 1034, 2015.

2. Computational and Applied Statistics

• Sarah Alver and Guoyi Zhang, Parametric Bootstrap Procedures for Three-Factor ANOVA and Multiple Comparison Procedures with Unequal Group Variances,Communications in Statistics: Simulation and Computation, accepted July 2022.
• Sarah Alver and Guoyi Zhang, Multiple Comparisons of Treatment vs Control Under Unequal Variances Using Parametric Bootstrap,Journal of Applied Statistics, Revision Under review.
• Guoyi Zhang, Ronald Christensen and John Pesko, Parametric Boostrap and Objective Bayesian Testing for Heteroscedastic One-way ANOVA,Statistics & Probability Letters, accepted March 2021.
• Dominic Lewinski, Yiming Yang, Zhongxue Chen, and Guoyi Zhang, Reversion and Location Trends in the Bitcoin Market,International Journal of Data Science, Volume 4, No. 4, pages 275 - 287, 2019.
• Guoyi Zhang, Bose Falk, and Zhongxue Chen, Multiple Comparisons of Several Log-normal Means under Heteroscedasticity,International Journal of Mathematics and Statistics, Volume 20, No. 3 2019.
• Zhongxue Chen, Guoyi Zhang, Jing Li, Goodness-of-fit test for meta-analysis, Scientific Reports, 2015, 5: 16983.
• Wei Zheng, Yong Jin, Guoyi Zhang, Recursive estimation of TAVC through prewhitening, Statistics & Probability Letters, Volume 114, Pages 30-37, July 2016.
• Guoyi Zhang, Zhongxue Chen, Inferences on Correlation Coefficients of Bivariate Log-normal Distributions, Journal of Applied Statistics, Vol 42, No.3, p 603-613, 2015.
• Guoyi Zhang, Rong Liu, Bias-corrected Estimators for Scalar Skew Normal, Communications in Statistics: Simulation and Computation, Volume 46, No.2, Pages: 831-839, 2017.
• Zhongxue Chen, Guoyi Zhang, Comparing survival curves based on medians, BMC Medical Research Methodology (2016) 16:33
• Guoyi Zhang, Simultaneous confidence intervals for pairwise multiple comparisons in a Two-way unbalanced design with Unequal Variances, Journal of Statistical Computation and Simulation, Vol 85, No. 13, pages 2727-2735, 2015.
• Guoyi Zhang, A Parametric Bootstrap Approach for one-way ANOVA under Unequal Variances with Unbalanced data, Communications in Statistics: Simulation and Computation,Volume 44, Is- sue 4, pages 827-832, 2015.
• Guoyi Zhang, Simultaneous confidence intervals for several inverse Gaussian populations, Statistics and Probability Letters, Vol 92, p 125-131, 2014.
• Guoyi Zhang, Improved R and s Control Charts for Monitoring the Process Variance, Journal of Applied Statistics, Volume 41, Issue 6, pages 1260~1273, 2014.
• Guoyi Zhang and Yan Lu, Bias Corrected Random Forests in Regression,Journal of Applied Statistics, Volume 39, No.1, Pages 151~160, January 2012.
• Yan Lu and Guoyi Zhang, The Equivalence Between Likelihood Ratio Test and F Test for The One Way Random Effects Model, Journal of Statistical Computation and Simulation, Volume 80, Issue 4 pages 443~450, April 2010.

3. Nonparametric Function Estimation

• Nikolay Miller and Guoyi Zhang, Additive Multi-task Learning Models and Task Diagnostics, Communications in Statistics: Simulation and Computation, accepted April 2023 .
• Guoyi Zhang and Yan Lu, Comparison of difference based variance estimators for partially linear models, Communications in Statistics: Theory and Methods, accepted April 2022 .
• Nikolay Miller, Yiming Yang, Bruce Sun, and Guoyi Zhang, Identification of Technical Analysis Patterns with Smoothing Splines for Bitcoin Prices,Journal of Applied Statistics, Volume 46, No. 12, pages 2289-2297, 2019.
• Rong Liu, Wolfgang K. Hardle, Guoyi Zhang, Statistical inference for generalized additive partially linear models, Journal of Multivariate Analysis, Volume 162, Pages 1-15, November 2017.
• Guoyi Zhang, Smoothing Splines Using Compactly Supported Positive Definite Radial Basis Functions, Computational Statistics, Volume 27 Issue 3, Pages 573~584, September 2012.
• Sheng-Yang Wang, Guoyi Zhang, Price Pattern Recognition Utilizing Local Polynomial Regression, Journal of Trading, Volume 7, No.2, Pages 37~43, Spring 2012.
• Guoyi Zhang and Yan Lu, Adjusted Confidence Bands in Nonparametric Regression, Communications in Statistics: Simulation and Computation, VOL 37, p106-113, 2008.

4. Miscellaneous

• Guoyi Zhang, Optimal Geometric Mean Returns of Stocks and Their Options, International Journal of Stochastic Analysis,Vol 2012.
• Guoyi Zhang, Brandon Beck, Wentao Luo, Fan Wu, Stephen F. Kingsmore, Donghai Dai, Development of a phylogenetic tree model to investigate the role of genetic mutations in endometrial tumors,ONCOLOGY REPORTS, Volume 25, No.5 Pages 1447~1454, 2011.
• Xiaoli Liu, Lanjuan Li, Guoyi Zhang, Guoping Sheng and Wei Xu, An Approach to Characterize Serum Low Molecular Weight Proteins/Peptides in Liver Injury with SELDI-TOF MS and Factor Analysis, Clinical Biochemistry, 40 (16), p.1266-1271, Nov 2007.

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