R/freedman_formula.R

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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CompAREdesign documentation built on Oct. 2, 2022, 5:08 p.m.