Featured Publications
Conditional Functional Graphical Models
Lee K, Ji D, Li L, Constable T, Zhao H. Conditional Functional Graphical Models. Journal Of The American Statistical Association 2021, 118: 257-271. PMID: 37193511, PMCID: PMC10181795, DOI: 10.1080/01621459.2021.1924178.Peer-Reviewed Original ResearchMultivariate random functionsFunctional graphical modelNew linear operatorMultivariate functional dataGraph structureConditional graphical modelGraphical modelsLinear operatorsGraphical modelingRandom functionPrecision matrixPrecision operatorCorresponding estimatorsUniform convergenceConditional graphFunctional settingGraph sizeCorrelation operatorPartial correlation matrixNonzero elementsConditioning setCorrelation matrixOperatorsGraphBrain functional connectivity networks
2017
Graphical model selection with latent variables
Wu C, Zhao H, Fang H, Deng M. Graphical model selection with latent variables. Electronic Journal Of Statistics 2017, 11: 3485-3521. DOI: 10.1214/17-ejs1331.Peer-Reviewed Original ResearchGraphical model selectionModel selection consistencyEfficient ADMM algorithmSparse precision matrixGraphical modelsGaussian graphical modelsGenetical genomics dataSelection consistencyPenalized estimationStatistical inferencePrecision matrixLatent variablesParameter estimationTheoretical propertiesIdentifiability conditionsADMM algorithmModel selectionSimulation studyConditional dependenceEstimationTrace lossSuperior performanceEstimatorGraphVariables