Module: FisherClassifier

Defined in:
lib/fisher_classifier.rb,
lib/fisher_classifier/meta.rb,
lib/fisher_classifier/config.rb,
lib/fisher_classifier/version.rb,
lib/fisher_classifier/classifier.rb

Defined Under Namespace

Modules: Meta Classes: Classifier, Config

Constant Summary collapse

VERSION = 
"0.0.4"

Class Method Summary collapse

Class Method Details

.create(&block) ⇒ Object 



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# File 'lib/fisher_classifier.rb', line 9

def create(&block)
  config = Config.new block

  Classifier.new config
end

.create_in_memory ⇒ Object 



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# File 'lib/fisher_classifier.rb', line 15

def create_in_memory
  create do
    @features = {}
    @categories = {}

    inc_feature do |feature, category|
      @features[category] ||= {}
      @features[category][feature] ||= 0
      @features[category][feature] += 1
    end

    inc_category do |category|
      @categories[category] ||= 0
      @categories[category] += 1
    end

    get_features do |text|
      text.split(' ').map { |s| s.downcase }
    end

    categories do
      [:good, :bad]
    end

    category_count do |category|
      if @categories.has_key?(category)
        @categories[category]
      else
        0
      end
    end

    features_count do |feature, category|
      if @features.has_key?(category) && @features[category].has_key?(feature)
        @features[category][feature]
      else
        0
      end
    end

    default_category do
      :none
    end

  end

end