Method: Array#sum_of_squares

Defined in:
lib/statsample.rb

#sum_of_squares(m = nil) ⇒ Object

Calcualte sum of squares



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# File 'lib/statsample.rb', line 68

def sum_of_squares(m=nil)
  m ||= mean
  inject(0) {|a,x| a + (x-m).square }
end