Data validation
Business record validation
Decide if a fictional business row is internally consistent.
Demo projectBeginner₦6 / row90% threshold
Mark Valid only if the state is a Nigerian state and the year is between 1950 and 2026. These rows are synthetic. You are checking the record, not a real company.
Example: State “Kano”, year 2016 → Valid. State “London” → Invalid.
Playable rows: 4. Catalogue target: 400. Deadline: Open demo batch.