R/freedman_formula.R
In CompARE-Composite/CompARE-package: Statistical Functions for the Design of Studies with Composite Endpoints
Defines functions
freedman_formula
Documented in
freedman_formula
#' Freedman's formula
#'
#' @description Freedman's formula to calculate the number of events required
#' @export
#' @keywords internal
#'
#'
#'
freedman_formula <- function(alpha,power,HR) E <- (HR+1)^2 * (qnorm(1-alpha/2) + qnorm(power))^2/(HR-1)^2
CompARE-Composite/CompARE-package documentation built on March 4, 2025, 8:18 p.m.
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Defines functions freedman_formula
Documented in freedman_formula
#' Freedman's formula
#'
#' @description Freedman's formula to calculate the number of events required
#' @export
#' @keywords internal
#'
#'
#'
freedman_formula <- function(alpha,power,HR) E <- (HR+1)^2 * (qnorm(1-alpha/2) + qnorm(power))^2/(HR-1)^2
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