2024
On Optimality of Mallows Model Averaging
Peng J, Li Y, Yang Y. On Optimality of Mallows Model Averaging. Journal Of The American Statistical Association 2024, ahead-of-print: 1-12. DOI: 10.1080/01621459.2024.2402566.Peer-Reviewed Original ResearchNon-nested setAsymptotic optimalityModel selectionCp criterionMallows model averageCandidate modelsOptimal convex combinationMallows' Cp criterionMinimax adaptiveSampling inequalitiesMallows modelConvex combinationTheoretical findingsOptimal riskSupplementary materialsMA estimatesModel AveragingTheoretical justificationModel weightsAverage modelNested setMild conditionsMinimaxEstimationInequality
2021
Testing for treatment effect in covariate-adaptive randomized trials with generalized linear models and omitted covariates
Li Y, Ma W, Qin Y, Hu F. Testing for treatment effect in covariate-adaptive randomized trials with generalized linear models and omitted covariates. Statistical Methods In Medical Research 2021, 30: 2148-2164. PMID: 33899607, DOI: 10.1177/09622802211008206.Peer-Reviewed Original ResearchConceptsCovariate-adaptive randomizationCovariate-adaptive randomization methodsCovariate-adaptive randomized trialsValidity of statistical inferenceInflated type I errorLinear modelType I errorGeneralized linear modelAsymptotic distributionProposed adjustment methodAsymptotic resultsInferential propertiesTest statisticsAnti-conservativeStatistical inferenceContinuous responseUnadjusted testsNull hypothesisTheoretical findingsTreatment effectsInvalid testsRandomization methodNumerical studyCovariatesAdjustment method