Method: Utilities::Statistics#statistical_range

Defined in:
lib/utilities/utilities.rb

#statistical_range(already_sorted = false) ⇒ Object

Return the statistical range of sorted self



132
133
134
135
136
 
# File 'lib/utilities/utilities.rb', line 132

def statistical_range( already_sorted = false )
  return nil if empty?
  a = sort_and_extend( already_sorted )
  (a.last - a.first)
end