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math.ST2008★ 34 cited
Immigrated urn models - asymptotic properties and applications
Li-Xin Zhang, Feifang Hu, Siu Hung Cheung +1
Urn models have been widely studied and applied in both scientific and social science disciplines. In clinical studies, the adoption of urn models in treatment allocation schemes h…
math.ST2006★ 117 cited
Asymptotic Properties of Covariate-Adjusted Adaptive Designs
Li-Xin Zhang, Feifang Hu, Siu Hung Cheung +1
Response-adaptive designs have been extensively studied and used in clinical trials. However, there is a lack of a comprehensive study of response-adaptive designs that include cov…