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Codified variables with variation levels for yogurt formulas.
| Factors | Code | −1.41 | −1 | 0 | 1 | 1.41 |
|---|---|---|---|---|---|---|
| Yogurt formulation | ||||||
| LFWPC (%) | x1 | 2.585 | 3 | 4 | 5 | 5.414 |
| LFPM (%) | x2 | 2.585 | 3 | 4 | 5 | 5.414 |
LFWPC: lactose-free whey protein concentrate; LFPM: lactose-free powdered milk.
