管道和复合估计量# 如何从其他估计器组成变压器和管道的示例。看到 User Guide . 具有异类数据源的列Transformer Column Transformer with Heterogeneous Data Sources 混合类型的列Transformer Column Transformer with Mixed Types 级联多种特征提取方法 Concatenating multiple feature extraction methods 回归模型中目标转换的效果 Effect of transforming the targets in regression model 流水线：链接PCA和逻辑回归 Pipelining: chaining a PCA and a logistic regression 使用Pipeline和GridSearchCV选择降维 Selecting dimensionality reduction with Pipeline and GridSearchCV
