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jaccard_distance(integer A, integer B [,int k=128]) – Returns Jaccard distance between A and B

jaccard_distance(0,3) as c1,
jaccard_distance(“0″,”3”) as c2, — 0=0x00, 0=0x11
jaccard_distance(0,4) as c3

c1 c2 c3
0.03125 0.03125 0.015625

Platforms: WhereOS, Spark, Hive
Class: hivemall.knn.distance.JaccardDistanceUDF

More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.

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