Nothing
data(x100)
## Block:
out <- block(x100, groups = "g", n.tr = 2, id.vars = c("id"), block.vars
= c("b1", "b2"))
## Create vector of block IDs:
createBlockIDs(out, x100, id.var = "id")
## block ID integers are unique, even with several groups
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.