Module: Disco::Metrics

Defined in:
lib/disco/metrics.rb

Class Method Summary collapse

Class Method Details

.rmse(act, exp) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/disco/metrics.rb', line 4

def rmse(act, exp)
  raise ArgumentError, "Size mismatch" if act.size != exp.size
  Math.sqrt(act.zip(exp).sum { |a, e| (a - e)**2 } / act.size.to_f)
end