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Generalization of Wei's urn design to unequal allocations in sequential clinical trials

Wei's urn design was proposed in 1987 for subject randomization in trials comparing m ≥ 2 treatments with equal allocation. In this manuscript, two modified versions of Wei's urn design are presented to accommodate unequal allocations. First one uses a provisional allocation of [Formula: s...

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Publicat a:Contemp Clin Trials Commun
Autors principals: Zhao, Wenle, Ramakrishnan, Viswanathan
Format: Artigo
Idioma:Inglês
Publicat: Elsevier 2016
Matèries:
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC4747061/
https://ncbi.nlm.nih.gov/pubmed/26878069
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.conctc.2015.12.007
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