Table 5 Descriptive statistics of “bad quality” win.
From: Machine learning-based predictive modelling for the enhancement of wine quality
Index | Fixed acidity | Volatile acidity | Citric acid | Residual sugar | Chlorides | Free sulfur dioxide | Total sulfur dioxide | Density | Ph | Sulphates | Alcohol | Quality | Good quality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Count | 1382.0 | 1382.0 | 1382.0 | 1382.0 | 1382.0 | 1382.0 | 1382.0 | 1382.0 | 1382.0 | 1382.0 | 1382.0 | 1382.0 | 1382.0 |
Mean | 8.2368 | 0.5470 | 0.2544 | 2.5121 | 0.08928 | 16.1722 | 48.2858 | 0.9968 | 3.3146 | 0.6447 | 10.2510 | 5.4088 | 0.0 |
Std | 1.6827 | 0.1763 | 0.1896 | 1.4157 | 0.04911 | 10.4676 | 32.5856 | 0.0018 | 0.1541 | 0.1706 | 0.9696 | 0.6017 | 0.0 |
Min | 4.6 | 0.16 | 0.0 | 0.9 | 0.034 | 1.0 | 6.0 | 0.990 | 2.74 | 0.33 | 8.4 | 3.0 | 0.0 |
25% | 7.1 | 0.42 | 0.0825 | 1.9 | 0.071 | 8.0 | 23.0 | 0.9957 | 3.21 | 0.54 | 9.5 | 5.0 | 0.0 |
50% | 7.8 | 0.54 | 0.24 | 2.2 | 0.08 | 14.0 | 39.5 | 0.9968 | 3.31 | 0.6 | 10.0 | 5.0 | 0.0 |
75% | 9.1 | 0.65 | 0.4 | 2.6 | 0.091 | 22.0 | 65.0 | 0.9979 | 3.41 | 0.7 | 10.9 | 6.0 | 0.0 |
Max | 15.9 | 1.58 | 1.0 | 15.5 | 0.611 | 72.0 | 165.0 | 1.0036 | 4.01 | 2.0 | 14.9 | 6.0 | 0.0 |
