Auditing 857,655 Open Food Facts labels with pandas: how many nutrition facts contradict themselves?
Open Food Facts is the largest open food database in the world. Scan a barcode in almost any calorie app and the numbers you get come from there.
- 5.5% of 857,655 Open Food Facts labels are incoherent
- Protein bars have the highest incoherence rate at 20.8%
- Heavy-tailed failures include 31,867 labels with >20% error