Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/core_ext/core_ext.rb

Overview

Array Extensions ===============================================================================

Instance Method Summary collapse

Instance Method Details

#count ⇒ Object 



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# File 'lib/core_ext/core_ext.rb', line 158

def count
  self.size
end

#mean ⇒ Object 



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# File 'lib/core_ext/core_ext.rb', line 154

def mean
  self.inject(0){ |sum, x| sum += x } / self.size.to_f
end