Class: Correlation

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

Overview

class

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(serie_a, serie_b) ⇒ Correlation

Returns a new instance of Correlation.



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# File 'lib/correlation_x_y.rb', line 11

def initialize(serie_a, serie_b)
  @serie_a = Serie.new(serie_a)
  @serie_b = Serie.new(serie_b)
  @parameters = Parameters.new(Serie.new(serie_a), Serie.new(serie_b)) if Check.series_sizes_valid?(serie_a, serie_b)
  @dependance = dependance
  @equation = Equation.new(Parameters.new(@serie_a, @serie_b)) if @dependance == 'true'
end

Instance Attribute Details

#coefficient ⇒ Object

Returns the value of attribute coefficient.



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

def coefficient
  @coefficient
end

#equation ⇒ Object

Returns the value of attribute equation.



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

def equation
  @equation
end

#parameters ⇒ Object

Returns the value of attribute parameters.



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

def parameters
  @parameters
end

#serie_a ⇒ Object

Returns the value of attribute serie_a.



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

def serie_a
  @serie_a
end

#serie_b ⇒ Object

Returns the value of attribute serie_b.



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

def serie_b
  @serie_b
end

Instance Method Details

#dependance ⇒ Object 



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# File 'lib/correlation_x_y.rb', line 19

def dependance
  (-0.8..0.8).include?(@parameters.coefficient) ? 'false' : 'true'
end