Question: experts. For the two datasets, each expert graded the wine quality between 0 (very bad) and 10 (very excellent). Unfortunately, there is no data about

experts. For the two datasets, each expert graded the wine quality

experts. For the two datasets, each expert graded the wine quality between 0 (very bad) and 10 (very excellent). Unfortunately, there is no data about grape types, wine brand, wine selling price, etc. FIGURE 1: DESCRIPTION OF VARIABLES FOR WINE QUALITY_WHITE AND WINE QUALITY RED DATASET Variable If Categorical Var. Variable Type Ordinal/Nominal Units 1 Fixed Acidity Numerical grams/liter 2 Volatile Acidity Numerical grams/liter 3 Citric Acidity Numerical grams/liter 4 Residual Sugar Numerical grams/liter 5 Chlorides Numerical grams/liter Free sulphur di- 6 oxide Numerical milligrams/liter Total sulphur di- 7 oxide Numerical milligrams/liter grams/cubic 8 Density Numerical centimeter 9 PH Numerical N/A 10 Sulphates Numerical grams/liter 11 Alcohol Numerical % volume Quality (0- Very Bad, 12 10-Very Excellent) Categorical Ordinal N/A

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