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TimLang/gist:7523727

Last active December 28, 2015 15:39
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group array to range
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gistfile1.rb
values = [1,3,4,4,4,4,4,10,12,15,18]
bin_width = 5
ranges = 0.step((values.size/bin_width.to_f).ceil*bin_width, bin_width).each_cons(2).map { |s, e| Range.new(s, e, true) }
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