Description Usage Arguments Details References See Also Examples
This function creates an object of class SampleSize
which can be added to an object of class DataModel
.
1 | SampleSize(sample.size)
|
sample.size |
a list or vector of sample size(s). |
Objects of class SampleSize
are used in objects of class DataModel
to specify the sample size in case of balanced design (all samples will have the same sample size). A single object of class SampleSize
can be added to an object of class DataModel
.
Either objects of class Event
or SampleSize
can be added to an object of class DataModel
, but not both.
http://gpaux.github.io/Mediana/
See Also DataModel
.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | # Outcome parameter set 1
outcome1.placebo = parameters(mean = 0, sd = 70)
outcome1.treatment = parameters(mean = 40, sd = 70)
# Outcome parameter set 2
outcome2.placebo = parameters(mean = 0, sd = 70)
outcome2.treatment = parameters(mean = 50, sd = 70)
# Data model
case.study1.data.model = DataModel() +
OutcomeDist(outcome.dist = "NormalDist") +
SampleSize(c(50, 55, 60, 65, 70)) +
Sample(id = "Placebo",
outcome.par = parameters(outcome1.placebo, outcome2.placebo)) +
Sample(id = "Treatment",
outcome.par = parameters(outcome1.treatment, outcome2.treatment))
# Equivalent to:
case.study1.data.model = DataModel() +
OutcomeDist(outcome.dist = "NormalDist") +
SampleSize(seq(50, 70, 5)) +
Sample(id = "Placebo",
outcome.par = parameters(outcome1.placebo, outcome2.placebo)) +
Sample(id = "Treatment",
outcome.par = parameters(outcome1.treatment, outcome2.treatment))
|
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