机器学习 R语言 对于多组Text类型数据进行训练和测试源码，用于鉴别是否是垃圾邮件。仅需要修改当前数据集的路径名称和label.csv的路径名称.-R for language learning machine multiple sets of Text data type training and testing source code used to identify whether it is spam. Only need to modify the current data set name and path name path of label.csv.