From: A simulation study for comparing testing statistics in response-adaptive randomization
Optimal allocation ratio (n 1/n 2) for maximizing powers | |
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R Risk |
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R Odds /R Chisq |
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R Wald /R Neyman |
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R LLR | {q 2 - p 2 exp[I 1 - I 2/(p 2 - p 1)]}/{-q 1 + p 1 exp[I 1 - I 2/(p 2 - p 1)]} |
Other allocation targets | |
R RPW /R DL | q 2/q 1 |
R RSIHR | (Minimize the number of failure at fixed power of T Wald ) |