Nothing
#' 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
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.