include_url()
inserts an iframe in the
output; otherwise it takes a screenshot of the URL and insert the image in
the output. include_app()
takes the URL of a Shiny app and adds
?showcase=0 to it (to disable the showcase mode), then passes the URL
to include_url()
.include_url(url, height = "400px")include_app(url, height = "400px")
include_graphics