Class: RecommEngine::EuclideanCalculator

Inherits:

Calculator

• Object
• Calculator
• RecommEngine::EuclideanCalculator

Defined in:

lib/recommengine/euclidean_calculator.rb

Instance Attribute Summary

Attributes inherited from Calculator

#comparate, #data, #subject

Instance Method Summary

• #calc ⇒ Object

Methods inherited from Calculator

#initialize

Constructor Details

This class inherits a constructor from RecommEngine::Calculator

Instance Method Details

#calc ⇒ Object

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

def calc
  1.0 / (Math.sqrt(1.0 + sum_of_squared_distances))
end