Java 类名：com.alibaba.alink.operator.batch.dataproc.StratifiedSampleBatchOp
Python 类名：StratifiedSampleBatchOp
本算子是对每个类别按照比例进行分层随机抽样。
https://www.yuque.com/pinshu/alink_doc/31c999e19edb664c26f24da1aae0a04d
Java 类名：com.alibaba.alink.operator.batch.dataproc.FirstNBatchOp
Python 类名：FirstNBatchOp
该组件输出表的前N条数据。
https://www.yuque.com/pinshu/alink_doc/06a5b0dfda83758f2d34208d091b6fd5
Java 类名：com.alibaba.alink.operator.batch.dataproc.WeightSampleBatchOp
Python 类名：WeightSampleBatchOp
https://www.yuque.com/pinshu/alink_doc/08b543a27156b336f3209f8b5534a5df
Java 类名：com.alibaba.alink.operator.batch.dataproc.StratifiedSampleWithSizeBatchOp
Python 类名：StratifiedSampleWithSizeBatchOp
本算子对输入数据的每个类别进行指定个数的分层随机抽样。
https://www.yuque.com/pinshu/alink_doc/d0aacbc78b9e50a43e7ffef14132f08c
Java 类名：com.alibaba.alink.operator.batch.dataproc.SampleWithSizeBatchOp
Python 类名：SampleWithSizeBatchOp
https://www.yuque.com/pinshu/alink_doc/90730c8bb1a4e741571aa0e0f1102a06
Java 类名：com.alibaba.alink.operator.batch.dataproc.ShuffleBatchOp
Python 类名：ShuffleBatchOp
该组件打乱数据的顺序。
https://www.yuque.com/pinshu/alink_doc/4494511464e1560f480e2835671c2b18
原文：https://www.cnblogs.com/qiu-hua/p/14887684.html