3. Clinical Trial with Strata-Specific Event Rates and Unequal Group Allocation [ref: Bernstein, Lagakos]
Select What to Calculate,
then enter the remaining Parameter Values. Optionally, select a parameter to
Fast-Forward,
and specify number of and increment per iteration.
Press the Default button to use the original default parameter values, or the Undo button
to clear modifications made to current defaults.
