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timrandg/Block Demo2.rb

Created October 25, 2013 16:28
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sending to block
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Block Demo2.rb
public
def average_by_every(arr, q)
arr.each_slice(q).collect{|q_set| q_set.inject{|s,n| s+n}/q }
end
p average_by_every([1,2,3,4,5,6,7,8,9], 2)
p average_by_every([1,2,3,4,5,6,7,8,9], 3)
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returns:
[1, 3, 5, 7, 4]
[2, 5, 8]

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