Predictor | r | Predictor | r | Predictor | r |
Alcohol | 0.435 | Citric acid | −0.009 | Volatile acidity | −0.194 |
pH | 0.099 | Residual sugar | −0.097 | Chlorides | −0.209 |
Sulphates | 0.053 | Fixed acidity | −0.113 | Density | −0.307 |
Free sulfur dioxide | 0.008 | Total sulfur dioxide | −0.174 |