使用Weka软件分别应用C4.5算法(J48)建立决策树和朴素贝叶斯模型,用于预测某个学生是否决定去打篮球(需将csv文件转换成arff文件),并写出预测结果。-PlayBasketball.*.csv
时间: 2024-11-22 10:34:38
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Weka是一个开源的数据挖掘工具集,其中包含了C4.5算法(也称为J48,因为它是在C++版本的C4.5基础上实现的),这是一种用于分类任务的常用算法。它通过划分数据集的属性来构建决策树,每个节点代表一个特征,分支表示该特征值的不同取值。
首先,你需要完成以下步骤:
1. **数据预处理**:
- 将`.csv`文件转换为Weka支持的ARFF (Attribute-Relation File Format) 格式。可以使用Weka自带的DataInputStream工具或者第三方工具如CSV Weka Reader来完成。例如,在命令行里,你可以用以下命令:
java weka.core.converters.CSVLoader -t PlayBasketball.csv -f PlayBasketball.arff
```
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