Nothing
sumcol <-
function(rowdat){
output<-c(sum(rowdat[3:10]), sum(rowdat[11:12]), sum(rowdat[13:16]), sum(rowdat[17]))
return(t(output))
}
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.