Created
August 21, 2012 19:12
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jaccard
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| def jaccard(users_in_common, total_users1, total_users2): | |
| ''' | |
| The Jaccard Similarity between 2 two vectors | |
| |Intersection(A, B)| / |Union(A, B)| | |
| ''' | |
| union = total_users1 + total_users2 - users_in_common | |
| return (users_in_common / (float(union))) if union else 0.0 |
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