Nothing
# the Corn data frame has an inconvenient "shape"
# (each type of Corn is in its own column)
head(Corn, 3)
require(tidyr)
# this puts all the yields in one column and type of seed in another
Corn2 <- Corn %>% gather(key = "treatment", value = "yield")
# inspect a few rows in each treatment group
Corn2 %>% group_by(treatment) %>% do(head(., 3))
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.