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A SAS Macro for Covariate-Constrained Randomization of General Cluster-Randomized and Unstratified Designs

Ivers et al. (2012) have recently stressed the importance to both statistical power and face validity of balancing allocations to study arms on relevant covariates. While several techniques exist (e.g., minimization, pair-matching, stratification), the covariateconstrained randomization (CCR) approa...

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Autor principal: Erich J. Greene
Formato: Artigo
Idioma:Inglês
Publicado em: Foundation for Open Access Statistics 2017-04-01
coleção:Journal of Statistical Software
Assuntos:
constrained randomization
restricted randomization
balanced allocation
covariate balance
cluster-randomized trials
stratified group-randomized trials
SAS
Acesso em linha:https://www.jstatsoft.org/index.php/jss/article/view/2406
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