Contents

class Array
  def skewness
    self.central_moment(3) / (self.variance ** 1.5)
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rstat-0.1.2	lib/rstat/core_ext/array/descriptive_statistics/shape/skewness.rb
rstat-0.1.1	lib/rstat/core_ext/array/descriptive_statistics/shape/skewness.rb