胸痛中心数据清洗方法研究

Research on the Method of Data Cleaning in Chest Pain Center

由于各种因素,垃圾数据是必然存在的,数据清洗是数据挖掘的重要前提之一。针对胸痛中心数据库,介绍其存在的数据质量问题,并根据不同的实例层数据问题,给出数据清洗的具体方法,为类似的数据处理提供参考。

Due to various factors, garbage data is inevitable, data cleaning is one of the important prerequisites for data mining. For Chest Pain Center database, the data quality problems and the specific method of data cleaning according to the different quality problems in instance level are discussed in this article, which providing the reference of cleaning idea for similar data processing.