Multivariate log‐contrast regression with sub‐compositional predictors: Testing the association between preterm infants' gut microbiome and neurobehavioral outcomes
Liu X, Cong X, Li G, Maas K, Chen K. Multivariate log‐contrast regression with sub‐compositional predictors: Testing the association between preterm infants' gut microbiome and neurobehavioral outcomes. Statistics In Medicine 2021, 41: 580-594. PMID: 34897772, DOI: 10.1002/sim.9273.Peer-Reviewed Original ResearchConceptsLinear log-contrast modelLog-contrast modelGut microbiomeGut microbiome of preterm infantsHypothesis testing procedureInfant gut microbiomeLinear constraintsCompositional covariatesInference proceduresMultivariate responsePenalization approachSimulation studyGroup structureMicrobiome dataIdentified microbesMicrobiome analysisTaxonomic hierarchyInference methodsPreterm infant studyTest procedureMicrobiomeMicrobesBiological understandingCovariatesFeature matrix