Module: Toji::Processing::SoakedRice

Defined in:
lib/toji/processing/soaked_rice.rb

Instance Method Summary collapse

Instance Method Details

#soaked ⇒ Object

浸漬米総重量



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# File 'lib/toji/processing/soaked_rice.rb', line 31

def soaked
  (elements || []).map(&:soaked).sum
end

#soaking_ratio ⇒ Object

浸漬米吸水率



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# File 'lib/toji/processing/soaked_rice.rb', line 36

def soaking_ratio
  (soaked.to_f - weight.to_f) / weight.to_f
end

#soaking_ratio_sd ⇒ Object

浸漬米吸水率の標準偏差



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# File 'lib/toji/processing/soaked_rice.rb', line 41

def soaking_ratio_sd
  mean = soaking_ratio
  samples = (elements || []).map(&:soaking_ratio)
  length = samples.length.to_f
  Math.sqrt(samples.map{|sample| (sample - mean) ** 2}.sum / length)
end

#weight ⇒ Object

白米総重量



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# File 'lib/toji/processing/soaked_rice.rb', line 26

def weight
  (elements || []).map(&:weight).sum
end