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Using Linear Regression to predict wine quality (implementation by handwritten mathematical formula and call package)

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Wine-Quality-Prediction

Using Linear Regression to predict wine quality (implementation by handwritten mathematical formula and call package)

Dataset:http://archive.ics.uci.edu/ml/datasets/Wine+Quality

简介:数据集包括两份数据,分别是来自葡萄牙北部的红、白青葡萄酒的样本。目的是根据物理特性对葡萄酒的质量进行建模。此样本数据,仅包含物理化学特性以及人工评估质量信息,不包含葡萄的类型、酒的品牌、售价等信息。

注意点:

  1. 类别不均衡,普通质量的葡萄酒的数量远远多于极好和极差的葡萄酒的数量。
  2. 所给的11个特征不完全是无关的。

备注:

输入特征(物理化学等客观特征):

1 - fixed acidity(非挥发性酸)

2 - volatile acidity(挥发性酸度)

3 - citric acid(柠檬酸)

4 - residual sugar(残糖)

5 - chlorides(氯化物)

6 - free sulfur dioxide(游离二氧化硫)

7 - total sulfur dioxide(总二氧化硫量)

8 - density(稠密)

9 - pH

10 - sulphates(硫酸盐)

11 - alcohol(酒精)

输出变量(人工评估数据):

12 - quality (分数在0~10之间)

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