Contents

module Disco
  module Metrics
    class << self
      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
    end
  end
end

Version data entries

11 entries across 11 versions & 1 rubygems

Version	Path
disco-0.5.0	lib/disco/metrics.rb
disco-0.4.2	lib/disco/metrics.rb
disco-0.4.0	lib/disco/metrics.rb
disco-0.3.2	lib/disco/metrics.rb
disco-0.3.1	lib/disco/metrics.rb
disco-0.3.0	lib/disco/metrics.rb
disco-0.2.9	lib/disco/metrics.rb
disco-0.2.8	lib/disco/metrics.rb
disco-0.2.7	lib/disco/metrics.rb
disco-0.2.6	lib/disco/metrics.rb
disco-0.2.5	lib/disco/metrics.rb