Module: Enumerable

Defined in:
lib/midwire_common/enumerable.rb

Instance Method Summary collapse

Instance Method Details

#sort_by_frequency ⇒ Object

Sort by frequency of occurrence



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# File 'lib/midwire_common/enumerable.rb', line 3

def sort_by_frequency
  histogram = inject(Hash.new(0)) {|hash, x| hash[x] += 1; hash}
  sort_by {|x| [histogram[x] * -1, x]}
end