Usage Arguments Value Author(s) Examples
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S1OS |
interim estimate of the standard deviation |
delta0 |
assumed effect size |
n1 |
first-stage sample size |
adj |
should the adjusted rule be used |
n2min |
minimum second-stage sample size |
n2max |
maximum second-stage sample size |
cf |
correction facton |
alpha |
significance level (one-sided) |
beta |
targeted Type II error rate |
adjusted second-stage sample size
Florian Klinglmueller
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