arow_demo.rb

require 'arow'

model = AROW::Model.new(2, 0.1)

File.foreach("CodeIQ_auth.txt") do |line|
  elems = line.chomp.split(/\s/)
  next if elems.size < 3

  features = { 0 => elems[0].to_f, 1 => elems[1].to_f }
  label = (elems[2] == "1")

  model.update(features, label)
  #vectors << { :feature => features, :label => label }
end

File.foreach("CodeIQ_mycoins.txt") do |line|
  elems = line.chomp.split(/\s/)
  next if elems.size < 2

  features = { 0 => elems[0].to_f, 1 => elems[1].to_f }
  puts model.predict(features) ? 1 : 0
end