Method count

join/LSH/datasketch/minhash.py:196–204

Estimate the cardinality count based on the technique described in `this paper `_. Returns: int: The estimated cardinality of the set represented by this MinHash.

(self)

                float(len(self))

    def count(self):
        '''Estimate the cardinality count based on the technique described in
        `this paper <http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=365694>`_.

        Returns:
            int: The estimated cardinality of the set represented by this MinHash.
        ''&#x27;
        k = len(self)
        return float(k) / np.sum(self.hashvalues / float(_max_hash)) - 1.0

    def merge(self, other):
        ''&#x27;Merge the other MinHash with this one, making this one the union