Method: Daru::Maths::Statistics::Vector#standard_deviation_sample

Defined in:
lib/daru/maths/statistics/vector.rb

#standard_deviation_sample(m = nil) ⇒ Object Also known as: sds, sd 



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# File 'lib/daru/maths/statistics/vector.rb', line 452

def standard_deviation_sample m=nil
  m ||= mean
  if @data.respond_to? :standard_deviation_sample
    @data.standard_deviation_sample m
  else
    Math.sqrt(variance_sample(m))
  end
end