[{"title":"( 3 个子文件 40.9MB ) sklearn机器学习旧金山犯罪分类数据","children":[{"title":"train.csv.zip <span style='color:#111;'> 22.09MB </span>","children":null,"spread":false},{"title":"sampleSubmission.csv.zip <span style='color:#111;'> 2.35MB </span>","children":null,"spread":false},{"title":"test.csv.zip <span style='color:#111;'> 18.70MB </span>","children":null,"spread":false}],"spread":true}]