Department of Statistics at the University of Connecticut, Storrs, CT 06269-4120, USA.
Am J Public Health. 2013 Feb;103(2):200-1. doi: 10.2105/AJPH.2012.300904. Epub 2012 Dec 13.
Across all fields of research, the issue of missing data arises. In most studies, surveys, or experiments, there are instances of nonresponse that need to be appropriately dealt with to conduct reasonable statistical analyses. There are several types of missing data as well as ways to deal with incomplete data sets.
在所有研究领域中,都会出现数据缺失的问题。在大多数研究、调查或实验中,都存在需要适当处理的无响应情况,以便进行合理的统计分析。存在几种类型的数据缺失以及处理不完整数据集的方法。