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Zhou G, Wu L. Modeling semi-continuous longitudinal data with order constraints. Statistics in Medicine. 2018;.


Ye Q, Wu L. Two-Step and Likelihood Methods for Joint Models of Longitudinal and Survival Data. Communication in Statistics. 2017; 46(8).



Liu J, Liu W, Wu L, Yang G. A flexible approach for multivariate mixed-effects models in the presence of non-ignorable missingness and measurement error. Journal of Statistical Computation and Simulation. 2015;.
Troncoso P. The SAGE handbook of multilevel modeling. International Journal of Research & Method in Education [Internet]. 2015; 38: 100–101. DOI: 10.1080/1743727X.2014.986027 URL: http://dx.doi.org/10.1080/1743727X.2014.986027



Hsu B-M, Shu M-H, WU LANG. Dynamic performance modelling and measuring for machine tools with continuous-state wear processes. International Journal of Production Research [Internet]. 2013; 51: 4718–4731. DOI: 10.1080/00207543.2013.793858 URL: http://dx.doi.org/10.1080/00207543.2013.793858
Wang T, WU LANG. Multivariate one-sided tests for nonlinear mixed-effects models. Canadian Journal of Statistics [Internet]. 2013; 41: 453–465. DOI: 10.1002/cjs.11180 URL: http://onlinelibrary.wiley.com/doi/10.1002/cjs.11180/abstract
WANG BRADJIANHE, ZHANG HONGBIN, WU LANG, HUANG SUYONG, LU JIANXIONG, Zidek J. Property Modeling of Changbai Larch ( Larix Olgensis Henry) Veneers in Relation to Stand and Tree Variables. Wood and Fiber Science [Internet]. 2013; 45: 314–329. URL: http://wfs.swst.org/index.php/wfs/article/view/2023


Zhang L, Poh CF, Williams M, Laronde DM, Berean K, Gardner PJ, et al. Loss of Heterozygosity (LOH) Profiles—Validated Risk Predictors for Progression to Oral Cancer. Cancer Prevention Research [Internet]. 2012; 5: 1081–1089. DOI: 10.1158/1940-6207.CAPR-12-0173 URL: http://cancerpreventionresearch.aacrjournals.org/content/5/9/1081
Poh CF, Zhu Y, Chen E, Berean KW, Wu L, Zhang L, et al. Unique FISH Patterns Associated with Cancer Progression of Oral Dysplasia. Journal of Dental Research [Internet]. 2012; 91: 52–57. DOI: 10.1177/0022034511425676 URL: http://jdr.sagepub.com/content/91/1/52


WU LANG, Liu W, Yi GY, Huang Y. Analysis of Longitudinal and Survival Data: Joint Modeling, Inference Methods, and Issues. Journal of Probability and Statistics [Internet]. 2011; 2012: e640153. DOI: 10.1155/2012/640153 URL: http://www.hindawi.com/journals/jps/2012/640153/abs/
Wu L, Qiu J. Approximate Bounded Influence Estimation for Incompletely Observed Longitudinal Data. Journal of Statistical Planning and Inference. 2011; 141: 2321–2330.


Lee D, Liu W, Peng J, Wu L. A note on the ordered means of exponential family. Far East Journal of Theoretical Statistics. 2010; 31: 69–75.
Qiu W, WU LANG. HIV Viral Dynamic Models With Censoring and Informative Dropouts. Statistics in Biopharmaceutical Research [Internet]. 2010; 2: 220–228. DOI: 10.1198/sbr.2009.0072 URL: http://amstat.tandfonline.com/doi/abs/10.1198/sbr.2009.0072


Wu L, Liu W, Liu J. A Longitudinal Study of Children's Aggressive Behaviors and Their Relationships with Potential Predictors. Canadian Journal of Statistics. 2009; 37: 435–452.
WU LANG. Mixed Effects Models for Complex Data. CRC Press; 2009.






Perlman MD, WU LANG. On the validity of the likelihood ratio and maximum likelihood methods. Journal of Statistical Planning and Inference [Internet]. 2003; 117: 59–81. DOI: 10.1016/S0378-3758(02)00359-2 URL: http://www.sciencedirect.com/science/article/pii/S0378375802003592


WU LANG, Wu H. Missing time-dependent covariates in human immunodeficiency virus dynamic models. Journal of the Royal Statistical Society: Series C (Applied Statistics) [Internet]. 2002; 51: 297–318. DOI: 10.1111/1467-9876.00270 URL: http://onlinelibrary.wiley.com/doi/10.1111/1467-9876.00270/abstract
Perlman MD, WU LANG. A class of conditional tests for a multivariate one-sided alternative. Journal of Statistical Planning and Inference [Internet]. 2002; 107: 155–171. DOI: 10.1016/S0378-3758(02)00250-1 URL: http://www.sciencedirect.com/science/article/pii/S0378375802002501