2020-02-17 23:21:07 -08:00
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using Printf
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2018-06-22 20:57:24 +00:00
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function hist(numbers)
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maxwidth = 50
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h = fill(0, 10)
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for n in numbers
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h[ceil(Int, 10n)] += 1
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end
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mx = maximum(h)
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for (n, i) in enumerate(h)
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@printf("%3.1f: %s\n", n / 10, "+" ^ floor(Int, i / mx * maxwidth))
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end
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end
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for i in 1:6
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n = rand(10 ^ i)
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println("\n##\n## $(10 ^ i) numbers")
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@printf("μ: %8.6f; σ: %8.6f\n", mean(n), std(n))
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hist(n)
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end
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