Nothing
setOldClass("ellipse")
setOldClass("ffdf")
##setOldClass("ff_matrix")
##setClassUnion("ff_or_matrix", c("ffdf", "ff_matrix", "matrix"))
setClass("PredictionRegion", contains="list")
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.