Cortez et al. (2009) studied the relation of various chemical properties, such as acidity, on perceived quality of Porteguese vinho verde wines as evaluated by a panel of experts.
The datasets are (../code/white_wine.mat) and (../code/red_wine.mat). Each dataset contains a 1-by-12 cell variable headers which indicates the meaning of the columns of N-by-12 data matrix data, where N is the number data points.
Variable number | Variable info |
---|---|
1 | fixed acidity |
2 | volatile acidity |
3 | citric acid |
4 | residual sugar |
5 | chlorides |
6 | free sulfur dioxide |
7 | total sulfur dioxide |
8 | density |
9 | pH |
10 | sulphates |
11 | alcohol |
12 | quality (score between 0 and 10) |
Further information may be found at https://archive.ics.uci.edu/ml/datasets/wine+quality
Multi layer perceptron is used. As a comparison, linear regression is used.