Class: Rlid::LanguageProbabilities

Inherits:
Object
  • Object
show all
Defined in:
lib/rlid/web.rb,
lib/rlid/probabilities/language_probabilities.rb

Direct Known Subclasses

TestProbabilities

Constant Summary collapse

CLASSNAME = 
"languageresult"
MAX_OUTPUT = 
3

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ LanguageProbabilities

Returns a new instance of LanguageProbabilities.



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# File 'lib/rlid/probabilities/language_probabilities.rb', line 46

def initialize(args={})
  @percentage = Hash.new(0)
  args.each do |languages, percentage|
    add(languages, percentage)
  end
end

Instance Method Details

#*(other) ⇒ Object 



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# File 'lib/rlid/probabilities/language_probabilities.rb', line 85

def *(other)
  if not other.is_a? LanguageProbabilities
    p other.inspect
    raise InvalidArgument.new(other)
  end
  res = LanguageProbabilities.new()
  @percentage.each_key do |lang|
    res.percentage[lang] = percentage[lang] * other.percentage[lang]
  end
  res.normalize
  res
end

#[](lang) ⇒ Object 



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# File 'lib/rlid/probabilities/language_probabilities.rb', line 73

def [](lang)
  @percentage[lang]
end

#first ⇒ Object 



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# File 'lib/rlid/probabilities/language_probabilities.rb', line 81

def first
  sorted.first[LANG]
end

#random_language ⇒ Object 



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# File 'lib/rlid/probabilities/language_probabilities.rb', line 53

def random_language
  r = rand
  sum = 0
  @percentage.each do |language, perc|
    sum += perc
    return language if sum > r
    #puts "#{sum}(#{r})"
  end
  warn "rounding error!! (sum is not 1!!)"
  @percentage.keys.first
end

#to_a ⇒ Object 



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# File 'lib/rlid/probabilities/language_probabilities.rb', line 77

def to_a
  sorted.map{|x| {language: x[LANG], confidence: x[PERC]}}
end

#to_html ⇒ Object 



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# File 'lib/rlid/web.rb', line 6

def to_html
  sorted[0...MAX_OUTPUT].map do |x|
    perc = Percentage.new(x[PERC]).to_s
    lang = Language.name_of(x[LANG])
    "<div class='#{CLASSNAME}'>" +
      "#{lang} (#{perc}% chance)</div>"
  end.join("\n")
end

#to_s ⇒ Object 



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# File 'lib/rlid/probabilities/language_probabilities.rb', line 65

def to_s
  sorted[0...MAX_OUTPUT].map do |x|
    # calculate the digits
    formatted_perc = Percentage.new(x[PERC]).to_s
    "#{x[LANG]}(#{formatted_perc})"
  end.join(" : ")
end