[{"title":"( 2 个子文件 263KB ) 数据集《使用机器学习进行客户预流失与否的方法》","children":[{"title":"使用机器学习进行客户预流失与否的方法","children":[{"title":"churn.csv <span style='color:#111;'> 427.64KB </span>","children":null,"spread":false},{"title":"WA_Fn-UseC_-Telco-Customer-Churn.csv <span style='color:#111;'> 954.59KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]