sampling g error抽样误差
sampling flow error采样流量误差
sampling survey error抽样误差
sampling mean error抽样平均误差
random sampling error随机抽样误差;抽样误差
relative sampling error相对抽样误差
Value of sampling error抽样误差值
sampling error for the为误差项
The main conclusion is as follows: traditional method imputed missing data is easy, but it cann't express the uncertainty of the missing value. Furthermore, it increases the sampling error and distorts the distribution, ect.
本文主要的结论有:1.缺失数据的传统估算方法虽简单易行，但山于未考虑缺失值的不确定性、加大抽样误差、扭曲样本分布等，无法真实地反映研究事物的特征。
参考来源 - 缺失数据的估计与应用