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Jaccard_Similarities.py

+import numpy as np
+import os
+import math
+
+os.chdir('C:\\users\\Michel\\Documents\\apizee07\\Glove')
+
+f=open('vocab.txt',encoding="utf8")
+mots = [x.rstrip().split(' ')[0] for x in f.readlines()][:100]
+f.close()
+
+## Jaccard Similarities
+
+def decoupage (mot):
+    liste=list(mot)
+    dec=[]
+    for i in range(len(liste)):
+        dec.append(liste[i])
+    for i in range(len(liste)-1):
+        dec.append(liste[i]+liste[i+1])
+    for i in range(len(liste)-2):
+        dec.append(liste[i]+liste[i+1]+liste[i+2])
+    return dec
+
+def intersection (l1,l2):
+    inter=[]
+    for element in l1:
+        if element in  l2:
+            inter.append(element)
+    return(inter)
+
+def union (l1,l2):
+    uni=l2
+    for element in l1:
+        if not(element in  l2):
+            uni.append(element)
+    return(uni)
+
+def Js (mot1,mot2):
+    d1=decoupage(mot1)
+    d2=decoupage(mot2)
+    return (len(intersection(d1,d2))/len(union(d1,d2)))
+    
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