Nothing
get.asp <-
function(){
pin <- par('pin')
usr <- par('usr')
asp <- (pin[2]/(usr[4]-usr[3])) / (pin[1]/(usr[2]-usr[1]))
return(asp)
}
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.