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Task/Knuth-shuffle/Stata/knuth-shuffle.stata
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15
Task/Knuth-shuffle/Stata/knuth-shuffle.stata
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mata
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function shuffle(a) {
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n = length(a)
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r = runiformint(1,1,1,1..n)
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for (i=n; i>=2; i--) {
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j = r[i]
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x = a[i]
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a[i] = a[j]
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a[j] = x
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}
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return(a)
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}
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shuffle(1..10)
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end
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