Class: NeuralNetworkRb::Loss::CrossEntropyFetch

Inherits:
Object
  • Object
show all
Defined in:
lib/neural_network_rb/loss/cross_entropy_fetch.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(next_layer, options = {}, &block) ⇒ CrossEntropyFetch

Returns a new instance of CrossEntropyFetch.



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# File 'lib/neural_network_rb/loss/cross_entropy_fetch.rb', line 7

def initialize(next_layer, options = {}, &block)
  @next_layer = next_layer
  @every = options[:every]
  @block = block if block_given?
  @epoch = 0
end

Instance Attribute Details

#epoch ⇒ Object (readonly)

Returns the value of attribute epoch.



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# File 'lib/neural_network_rb/loss/cross_entropy_fetch.rb', line 5

def epoch
  @epoch
end

Instance Method Details

#predict(input) ⇒ Object 



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# File 'lib/neural_network_rb/loss/cross_entropy_fetch.rb', line 21

def predict(input)
  @next_layer.nil? ? input : @next_layer.predict(input)
end

#train(input, target) ⇒ Object 



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# File 'lib/neural_network_rb/loss/cross_entropy_fetch.rb', line 14

def train(input, target)
  error = cross_entropy(input, target)
  @block.call(@epoch, error) if @block && (@epoch % @every == 0)
  @epoch +=1
  @next_layer.nil? ? 1 : @next_layer.train(input, target)
end