gaussian | R Documentation |
Assurance can be calculated for Gaussian endpoints, either assuming common std. dev. between arms or different std. dev. between arms.
The prior distributions used are the improper translation-invariant prior for treatment effect and the improper scale invariant prior for the nuisance parameters of standard deviation.
initial.data <- new.gaussian(delta.mu=6,
sd1=10, sd2=20, m1=50, m2=20)
later.study <- new.twoArm(size=study.size(grp1.size=100,
grp2.size=200),
significance=0.05)
assurance(initial.data, later.study, 100000)
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