2020
Relative Efficiency of Using Summary Versus Individual Data in Random-Effects Meta-Analysis
Chen D, Liu D, Min X, Zhang H. Relative Efficiency of Using Summary Versus Individual Data in Random-Effects Meta-Analysis. Biometrics 2020, 76: 1319-1329. PMID: 32056197, PMCID: PMC7955582, DOI: 10.1111/biom.13238.Peer-Reviewed Original ResearchConceptsMaximum likelihood estimationSummary statisticsAsymptotic senseStatistical methodologyLikelihood estimationGaussian distributionInference settingHeterogeneity parametersRelative efficiencyRandom effectsSample sizeStatisticsInferenceData setsModelEfficient conclusionsEstimationIndividual participant dataAssumptionParametersEfficiency
2007
A score test for linkage analysis of ordinal traits based on IBD sharing
Feng R, Zhang H. A score test for linkage analysis of ordinal traits based on IBD sharing. Biostatistics 2007, 9: 114-127. PMID: 17519391, DOI: 10.1093/biostatistics/kxm016.Peer-Reviewed Original Research
2006
A statistical framework for the classification of tensor morphologies in diffusion tensor images
Zhu H, Xu D, Raz A, Hao X, Zhang H, Kangarlu A, Bansal R, Peterson BS. A statistical framework for the classification of tensor morphologies in diffusion tensor images. Magnetic Resonance Imaging 2006, 24: 569-582. PMID: 16735178, PMCID: PMC2367261, DOI: 10.1016/j.mri.2006.01.004.Peer-Reviewed Original Research
2003
Hypothesis testing in mixture regression models
Zhu H, Zhang H. Hypothesis testing in mixture regression models. Journal Of The Royal Statistical Society Series B (Statistical Methodology) 2003, 66: 3-16. DOI: 10.1046/j.1369-7412.2003.05379.x.Peer-Reviewed Original ResearchMixture regression modelLikelihood estimatorTest statisticLog-likelihood ratio test statisticOptimal convergence ratesMaximum likelihoodRatio test statisticAsymptotic theoryReal data setsAsymptotic distributionConvergence rateTheoretical resultsEmpirical performanceReasonable conditionsSimulation studyHypothesis testingEstimatorStatisticsData setsRegression modelsModelTheoryDistribution