Open access
Sep 2026
Robustness of nutrient-based NOVA food classification under profile-separated nested validation
Introduction Nutrient profiles contain information associated with food processing, but estimates of automated NOVA classification can be distorted by ambiguous record linkage, severe class imbalance, duplicate profiles, and non-nested model selection. This study evaluates how well four-class NOVA labels can be recover...
Sıla Sinem Gören, Raja Hashim Ali, Talha Ali Khan et al.
· Frontiers in Nutrition · 0 citations