Jaccard Similarity import numpy as numpy import typing a = [1,2,3,4,5,11,12] b = [2,3,4,5,6,8,9] cats = ["calico", "tabby", "tom"] dogs = ["collie", "tom","bassett"] def jaccard(list1: list, list2: list)-> float: intersection = len(list(set(list1).intersection(list2))) union = (len(set((list1)) + set(len(list2))) - intersection return float(intersection/union) print(jaccard(cats,dogs)) jaccardSimilarity in Scala val aVals: Seq[Int] = Seq(1,2,3,4,5,11,12) val bVals: Seq[Int] = Seq(2,3,4,5,6,8,9) def calculateJaccard[T](a: Seq[T], b: Seq[T]): Double = a.intersect(b).size / a.union(b).size.toDouble println(calculateJaccard(aVals, bVals))
