Datascience – Ruby

Just having a play with ruby and thought I’d try to simulate summary(x):

irb(main):001:0> y=[]
irb(main):002:0> def x();rand(9999);end;
=> :x
irb(main):003:0> def summary(x=0); puts "min: #{x.min} max: #{x.max} mean: #{(x.sum(0.0)/x.size).round(2)}"; end
=> :summary
irb(main):004:0> 99.times do; y<<x;end
=> 99
irb(main):005:0> summary(y)
min: 23 max: 9851 mean: 5127.23

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