Nothing
utils::globalVariables(c("idpop", "small.sum'", "big.sum",".",
"idschool","school.n","cntschid","schoolid",
"schid","small.sum","w.i","data.par","by.group","df.qqq"))
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.