Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 2160 |
76.5%
|
1 | easy to use method | 296 |
10.5%
|
2 | hard to use method | 148 |
5.2%
|
98 | don't know | 15 |
0.5%
|
9999995 | missing:impute | 203 |
7.2%
|