There are 6 demos. To run them
enter the CLIFF directory then
the clojure/incanter environment

cd cliff/1.0
script/repl

To run demos

user=> (load-file "cliff.clj")
user=> (demo-1)
user=> (demo-2)
user=> (demo-3)
user=> (demo-4)
user=> (demo-5)
user=> (demo-6)