peterc

require 'stringio'
require 'timeout'

class Object
  def methods_returning(expected, *args, &blk)
    old_stdout = $>
    $> = StringIO.new

    methods.select do |meth|
      Timeout::timeout(1) { dup.public_send(meth, *args, &blk) == expected rescue false } rescue false

actsasgeek

require 'generator'

samples = [
  { :xs => [ 1.0, 0.25], :y => 0.98},
  { :xs => [ 1.0, 0.49], :y => 0.82},
  { :xs => [ 1.0, 0.60], :y => 0.41},
  { :xs => [ 1.0, 0.89], :y => 0.31}
]

# line is the sum of the dot product of the weight (thetas)