Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 1094 |
38.8%
|
1 | safe for long use, break unnecessary | 620 |
22%
|
2 | unsafe for long use, take a break | 1022 |
36.2%
|
98 | don't know | 86 |
3%
|
9999995 | missing:impute | 0 |
0%
|