Class: RecommEngine::Flipper

Inherits:
Object
  • Object
show all
Defined in:
lib/recommengine/flipper.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Flipper

Returns a new instance of Flipper.



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# File 'lib/recommengine/flipper.rb', line 5

def initialize(data)
  @data = data
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/recommengine/flipper.rb', line 3

def data
  @data
end

Instance Method Details

#flip ⇒ Object 



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# File 'lib/recommengine/flipper.rb', line 9

def flip
  result = {}
  result.default = {}
  data.each_key do |user|
    data[user].each_key do |item|
      result[item] = {} if result[item].empty?
      result[item][user] = data[user][item]
    end
  end
  result
end