A Modified Partial Likelihood Score Method for Cox Regression with Covariate Error Under the Internal Validation Design
Zucker DM, Zhou X, Liao X, Li Y, Spiegelman D. A Modified Partial Likelihood Score Method for Cox Regression with Covariate Error Under the Internal Validation Design. Biometrics 2018, 75: 414-427. PMID: 30525191, PMCID: PMC6555694, DOI: 10.1111/biom.13012.Peer-Reviewed Original ResearchA maximum likelihood approach to power calculations for stepped wedge designs of binary outcomes
Zhou X, Liao X, Kunz LM, Normand ST, Wang M, Spiegelman D. A maximum likelihood approach to power calculations for stepped wedge designs of binary outcomes. Biostatistics 2018, 21: 102-121. PMID: 30084949, PMCID: PMC7410259, DOI: 10.1093/biostatistics/kxy031.Peer-Reviewed Original ResearchMeSH KeywordsData Interpretation, StatisticalHumansLikelihood FunctionsModels, StatisticalOutcome Assessment, Health CareConceptsVariable cluster sizesMaximum likelihood approachLikelihood approachCluster sizeLeast squares approachStatistical theoryCluster random effectsBinary outcomesNumber of clustersNumerical methodParameter spaceRobustness of powerAsymptotic powerSquares approachIntra-cluster correlation coefficientRandom effectsParallel clusterLarge-scale intervention programmesPower calculationNew methodAvailable methodsWedge designSequential rolloutTheoryClusters