#!/usr/bin/ruby
$:.unshift(File.dirname(__FILE__)+'/../lib/')

require 'statsample'

Statsample::Analysis.store(Statsample::Regression::Multiple) do

  samples=2000
  ds=dataset('a'=>rnorm(samples),'b'=>rnorm(samples),'cc'=>rnorm(samples),'d'=>rnorm(samples))
  attach(ds)
  ds['y']=a*5+b*3+cc*2+d+rnorm(samples)
  summary lr(ds,'y')
end

if __FILE__==$0
   Statsample::Analysis.run_batch
end