SMARTsize

Source code for SMARTsize, an online sample size calculator for SMARTs with end-of-study continuous or binary outcomes.

Usage and Installation

The application is available online at https://nseewald1.shinyapps.io/SMARTsize/. It can also be run locally.

Local installation

Paste the following code into an R console:

reqPackages <- c("devtools", "shiny", "shinyBS", "DiagrammeR", "shinyjs")
installList <- !(reqPackages %in% installed.packages())
if (any(installList)) {
  install.packages(reqPackages[installList])
}
library(shiny)

shiny::runGitHub("nseewald1/SMARTsize")

Brief file descriptions

• ui.R: Defines the user interface for the application, including inputs/outputs, etc.
• server.R: Defines the backend for the user interface; connects inputs to appropriate functions to return outputs.
• global.R: Contains sampleSize and ABcomp functions for computing sample size, as well as other "non-reactive" helper functions for use throughout the app.

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