out/reference_example.R
In bonorico/PSI_Wed_Challenge_February: Assessment of total trial duration in planning a survival study for varying key assumptions
#' Reproduces reference example
#' @returns summary of sample size calculation
library(gsDesign)
# reproducing the sample size calculation (exponential model) I obtain a larger N (+200 patients ca)
h_c <- 0.05/12
HR <- 0.775
res <- nSurvival(h_c, h_c*HR, 30, 24, alpha = 0.05, sided = 2)
res
res$n
res$nEvents
bonorico/PSI_Wed_Challenge_February documentation built on March 30, 2022, 4 p.m.
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#' Reproduces reference example
#' @returns summary of sample size calculation
library(gsDesign)
# reproducing the sample size calculation (exponential model) I obtain a larger N (+200 patients ca)
h_c <- 0.05/12
HR <- 0.775
res <- nSurvival(h_c, h_c*HR, 30, 24, alpha = 0.05, sided = 2)
res
res$n
res$nEvents
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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