Nothing
Sys.setenv("R_TESTS" = "")
library(testthat)
#Need to execute the following for manual checking
#Sys.setenv(NOT_CRAN = "true")
test_check("imageData")
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.