JACCARD_DISTANCE

JACCARD_DISTANCE is a shorthand version of the VECTOR_DISTANCE function that calculates the jaccard distance between two vectors. It takes two BINARY vectors as input and returns the distance between them as a BINARY_DOUBLE.

Syntax

Description of the illustration jaccard_distance_syntax.gif

Parameters

• expr1 and expr2 must evaluate to BINARY vectors and have the same number of dimensions. If either expression is not a BINARY vector, an error is raised.

• JACCARD_DISTANCE returns NULL if either expr1 or expr2 is NULL.