2004
Linkage analysis of ordinal traits for pedigree data
Feng R, Leckman JF, Zhang H. Linkage analysis of ordinal traits for pedigree data. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 16739-16744. PMID: 15548606, PMCID: PMC534720, DOI: 10.1073/pnas.0404623101.Peer-Reviewed Original ResearchConceptsLinkage analysisOrdinal traitsTourette Syndrome Association International ConsortiumLinkage analysis methodsQuantitative traitsEvidence of linkageGenome scanLinkage scanHuman diseasesAllele sharingTraitsPedigree dataInheritance patternDichotomous traitsSignificant allele sharingPhenotypeProportional odds logistic modelGENEHUNTERGenesGeneticsMarkersInternational Consortium
2003
A Latent Variable Model of Segregation Analysis for Ordinal Traits
Zhang H, Feng R, Zhu H. A Latent Variable Model of Segregation Analysis for Ordinal Traits. Journal Of The American Statistical Association 2003, 98: 1023-1034. DOI: 10.1198/016214503000000981.Peer-Reviewed Original ResearchDichotomous traitsLatent variable modelsAsymptotic theoryModel of segregation analysisFamilial transmission of alcoholismGene-environment interactionsAssessed familial aggregationConduct simulation studiesGenetic epidemiologySegregation analysisTransmission of alcoholismHealth conditionsOrdinal traitsFamilial aggregationBinary traitsVariable modelComplex genetic basisInheritance of diseaseStatistical inferenceEM algorithmEnvironmental factorsSimulation studyPsychiatric disordersGene componentsAlcohol abuse