| Type | Presence | Valency | Domain | |
|---|---|---|---|---|
| Feature name | ||||
| 'Age' | INT | required | single | - |
| 'Capital-Gain' | INT | required | single | - |
| 'Capital-Loss' | INT | required | single | - |
| 'Country' | STRING | required | single | 'Country' |
| 'Education' | STRING | required | single | 'Education' |
| 'Education-Num' | INT | required | single | - |
| 'Hours-per-week' | INT | required | single | - |
| 'Marital-Status' | STRING | required | single | 'Marital-Status' |
| 'Occupation' | STRING | required | single | 'Occupation' |
| 'Over-50K' | INT | required | single | - |
| 'Race' | STRING | required | single | 'Race' |
| 'Relationship' | STRING | required | single | 'Relationship' |
| 'Sex' | STRING | required | single | 'Sex' |
| 'Workclass' | STRING | required | single | 'Workclass' |
| 'fnlwgt' | INT | required | single | - |