Description Usage Arguments Value Examples
Create permGS object representing a permutational group-sequential trial.
1 2 3 4 |
B |
number of random permutations |
restricted |
if TRUE only permute within strata |
method |
imputation/permuation method IPZ, IPT, Heinze or none (default: IPZ) |
pool |
if TRUE impute event times from Kaplan-Meier estimator calculated from pooled data |
type |
logrank weights to be used with coin::logrank_trafo |
imputeData |
user-supplied imputation function (ignored if method is given) |
permuteData |
user-supplied permutation function (ignore if method is given) |
object of class permGS
1 2 3 4 5 6 | ## standard permutation test (no imputation, free permutations)
x <- createPermGS(1000, FALSE, "none")
summary(x)
## imputation using IPT method, restricted permutations
y <- createPermGS(1000, TRUE, "IPT")
summary(y)
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