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So whether you're planning to do a simple t-test analysis, you want to undertake a complex simulation of a survival study when planning it, or you wish to take advantage of interim monitoring in a group sequential design.
Mixed Bayesian/Likelihood Intervals
Continual Reassessment Method
Posterior Error Rates
for your sample size calculations
Event & Enrollment Prediction
nQuery Predict is the predictive module of the nQuery platform. It uses powerful modeling and simulation to accurately forecast your study duration. Model timelines for important trial milestones such as accrual and events. Identify roadblocks and take action to keep your trial on schedule.
For example, in the two sample t-test we can see the effect of changing anything from the significance level to the standard deviation on any of the solvers in the table which in this table would be for; the effect size, sample size or power.
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