Table 2. Description of feature data (n=feature score).

Feature	Name	Range of score	Description
luds	ludsScore	0≤n≤100	Estimated luds score
zxcvbn	zxcvbnScore	0.00≤n	Estimated guesses needed to crack password in zxcvbn
levenshtein distance	levenshteinScore	0≤n≤len	Highest similarity between word and password