Table 4.

Validity of our deleting method

Errors	No. of Deleting	No. of Correct Deleting	Acc
1	1000	480	0.480
1	10000	4818	0.4818
2	1000	620	0.620
2	1000	635	0.635
2	10000	6367	0.6367
2	10000	6317	0.6317
3	10000	7056	0.7056
3	10000	7024	0.7024
3	10000	7065	0.7065