Class: Est::Champions

Inherits:
Object
  • Object
show all
Defined in:
lib/est/methods/champions.rb

Overview

Scope Champions. see www.technoparkcorp.com/innovations/scope-champions/

Instance Method Summary collapse

Constructor Details

#initialize(yaml) ⇒ Champions

Ctor.

yaml

YAML config



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# File 'lib/est/methods/champions.rb', line 38

def initialize(yaml)
  @yaml = yaml
end

Instance Method Details

#total ⇒ Object

Get total estimate.



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# File 'lib/est/methods/champions.rb', line 43

def total
  n = @yaml['scope'].size
  champs = @yaml['champions']
  m = champs.size
  k = 0.54
  sum = champs.map do |i, e|
    total = (e['best-case'].to_i +
      e['worst'].to_i +
      e['most-likely'].to_i * 4) / 6
    Est.log.info "#{i}: (#{e['best-case']} + #{e['worst-case']} +"\
      " #{e['most-likely']} * 4) / 6 = #{total}"
    total
  end.reduce(&:+)
  total = sum * k * (n / m)
  Est.log.info "#{sum} * #{k} * (#{n} / #{m}) = #{total}"
  total.to_i
end