day3-数据准备与特征工程：思维导图！！！

[{"title":"（ 5 个子文件 3.22MB ） day3-数据准备与特征工程：思维导图！！！","children":[{"title":"day3-数据准备与特征工程","children":[{"title":"CH4-特征选择.xmind <span style='color:#111;'> 609.14KB </span>","children":null,"spread":false},{"title":"CH1-感知数据.xmind <span style='color:#111;'> 22.48KB </span>","children":null,"spread":false},{"title":"CH2-数据清理.xmind <span style='color:#111;'> 419.39KB </span>","children":null,"spread":false},{"title":"CH3-特征变换.xmind <span style='color:#111;'> 1.49MB </span>","children":null,"spread":false},{"title":"CH5-特征抽取.xmind <span style='color:#111;'> 737.64KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]