3 papers
stat.ME2026
Theoretical Properties of Covariate-Adaptive Randomization with a Diverging Number of Covariates
Yuhang Tao, Li-Xin Zhang
Covariate-adaptive randomization procedures are widely used in clinical trials to improve covariate balance. In modern applications, experimenters often have access to many covaria…
math.ST2026
Efficient Doubly Adaptive Biased Coin Designs for Multiple Treatments
Zhang Li-Xin
The randomness, efficiency (power and variability), and desirable allocation proportions are important components for evaluating a response-adaptive design in clinical trials and c…
math.ST2026
Group Efficient Randomized-Adaptive Designs with Delayed and Missing Responses
Guijing Zhang, Li-Xin Zhang
Response-adaptive randomization designs have attracted much attention in clinical trials. This paper proposes a new class of response-adaptive design which built on the efficient r…