摘要
提出数据准备的一些原则,讨论了数据准备工作的内容,包括数据选择、数据清洗、数据集成、数据 约简、数据转换等几个方面,并根据不同的内容给出了相关的处理办法和一些分析工具.
Some principles of data preparation are proposed, and data preparation is discussed, including data selection, data integration, data cleaning, data reduction, data transformation, etc. Related measures and analysis tools are presented according to different contents.