require 'statsample'

Statsample::Analysis.store(Statsample::Test::UMannWhitney) do

  a = Daru::Vector.new(10.times.map {rand(100)})
  b = Daru::Vector.new(20.times.map {(rand(20))**2+50})

  u=Statsample::Test::UMannWhitney.new(a,b)
  summary u
end
  Statsample::Analysis.run_batch