[{"title":"( 3 个子文件 193KB ) 机器学习数据.zip","children":[{"title":"realestate_sample.xlsx <span style='color:#111;'> 95.66KB </span>","children":null,"spread":false},{"title":"realestate_sample_preprocessed.xlsx <span style='color:#111;'> 71.37KB </span>","children":null,"spread":false},{"title":"sample_data_sets.csv <span style='color:#111;'> 135.99KB </span>","children":null,"spread":false}],"spread":true}]