Contemporary Clinical Trials · 2012 · 282 citations · 35 references
Public HealthBiostatisticsOncologyCancer PreventionClinical EpidemiologyEpidemiologyClinical TrialsClinical Trials In OncologyMeasures Of AssociationRandomized Controlled TrialsCancer ClustersCluster Randomized Trial PowerCluster-randomized Sample Size CalculationClustered Experimental DesignIntraclass CorrelationIntracluster Correlation Coefficient
35
R: A Language and Environment for Statistical Computing
R Core Team · 2000 · 353K citations · Full text
Natural Sciences, Computer Science, Statistical Computing +10