Class: Array

Inherits:
Object show all
Defined in:
lib/ms/error_rate/qvalue.rb

Instance Method Summary collapse

Instance Method Details

#group_by(&block) ⇒ Object 



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# File 'lib/ms/error_rate/qvalue.rb', line 6

def group_by(&block)
  hash = Hash.new {|h,k| h[k] = [] }
  each do |v|
    hash[block.call(v)] << v
  end
  hash
end