Consideration of the adaptive randomization allocation ratio in the presence of treatment group heteroscedasticity in clinical trials
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DOI: 10.1080/10543406.2022.2080697
Abstract: ABSTRACT For randomized clinical trials, subjects’ variance structures may vary over time among treatment groups, resulting in the heteroscedasticity of residuals in a regression analysis. Commonly used methods that assume equal variance among all treatment… read more here.
Keywords: randomization; clinical trials; heteroscedasticity; ratio ... See more keywords