Jaccard index: Difference between revisions
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→{{header|Julia}}
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=={{header|Julia}}==
<lang julia>J(A, B) = begin i, u = length(A ∩ B), length(A ∪ B); u == 0 ?
A = Int[]
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Set A Set B J(A, B)
--------------------------------------------
[] []
[] [1, 2, 3, 4, 5] 0/1
[] [1, 3, 5, 7, 9] 0/1
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[8] [8] 1/1
</pre>
=={{header|Raku}}==
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