Function levenshtein_similarity

pattern/metrics.py:271–274

Returns the similarity of string1 and string2 as a number between 0.0 and 1.0.

(string1, string2)

edit_distance = levenshtein

def levenshtein_similarity(string1, string2):
    """ Returns the similarity of string1 and string2 as a number between 0.0 and 1.0.
    """
    return 1 - levenshtein(string1, string2) / float(max(len(string1),  len(string2), 1.0))
    
def dice_coefficient(string1, string2):
    """ Returns the similarity between string1 and string1 as a number between 0.0 and 1.0,