Class: Bors::Example

Inherits:
Object
  • Object
show all
Includes:
Math
Defined in:
lib/bors/example.rb,
lib/bors/example/feature.rb

Defined Under Namespace

Classes: Feature

Instance Method Summary collapse

Methods included from Math

#is_number?, #is_real_number?

Constructor Details

#initialize(options) ⇒ Example

Returns a new instance of Example.



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# File 'lib/bors/example.rb', line 9

def initialize(options)
	@options = options
end

Instance Method Details

#features ⇒ Object 



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# File 'lib/bors/example.rb', line 39

def features
	if @options[:namespaces] && @options[:namespaces].length > 0
		@options[:namespaces].map do |name, options|
			raise Exceptions::ArgumentError.new('Incorrect format for namescape, must be defined as a Hash') unless options.kind_of? Hash
			returning = "|#{name}"
			returning += ":#{options[:value]}" if options[:value]
			returning += create_features_from_array(options[:features])
			returning += " "
		end.join.strip
	else
		returning = "|"
		returning += create_features_from_array(@options[:features])
		returning += " "
	end
end

#importance ⇒ Object 



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# File 'lib/bors/example.rb', line 21

def importance
	return_options_key_if_valid_real_number :importance
end

#initial_prediction ⇒ Object 



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# File 'lib/bors/example.rb', line 25

def initial_prediction
	return_options_key_if_valid_real_number :initial_prediction
end

#label ⇒ Object 



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# File 'lib/bors/example.rb', line 17

def label
	return_options_key_if_valid_number :label
end

#tag ⇒ Object 



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# File 'lib/bors/example.rb', line 29

def tag
	if @options[:tag]
		raise Exceptions::ArgumentError.new('Tag must not contain spaces') unless @options[:tag].to_s.match(/\s/).nil?
		raise Exceptions::ArgumentError.new('Tag must be A-z-0-9') unless @options[:tag].to_s.match(/\W/).nil?
		@options[:tag]
	else
		""
	end
end

#to_s ⇒ Object 



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# File 'lib/bors/example.rb', line 13

def to_s
	"#{label} #{importance} #{initial_prediction} #{tag}#{features}".squeeze(' ')
end