Table 5. Feature selection standard (n=feature score).

Label	ludsScore	zxcvbnScore	levenshteinScore	Total
0	0 ≤ n ≤ 10	0 ≤ n ≤ 4	0 ≤ n ≤ 3	282
1	12 < n ≤ 30	4 < n ≤ 6	4 ≤ n ≤ 6	1,545
2	40 < n ≤ 60	6 < n ≤ 8	6 < n ≤ 8	451
3	60 < n ≤ 80	8 < n ≤ 10	8 < n ≤ 10	214
4	n > 80	n > 10	n > 10	950