Contents

class Array
  def median
    unless self.length == 0
      copy = self.sort

      if copy.length % 2 == 0
        (copy[copy.length / 2 - 1] + copy[copy.length / 2]) / 2.0
      else
        copy[copy.length / 2]
      end
    else
      nil
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
rstat-0.0.4	lib/rstat/core_ext/array/median.rb
rstat-0.0.3	lib/rstat/core_ext/array/median.rb
rstat-0.0.2	lib/rstat/core_ext/array/median.rb
rstat-0.0.1	lib/rstat/core_ext/array/median.rb