非抽样误差(non-sampling errors) 并非样本与总体间固有差异造成的误差, 主要有两个方面原因造成: 样本选择偏差(selection bias) 测量偏差(measurement bias) 样...
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Focus in data quality assessment is non-sampling errors and variance, in addition to sampling errors.
在数据质量评估中,我们除对抽样误差进行检查外,重点是对非抽样误差和偏差的检查。
With theory of error analyzing and characteristics of Internet, this article analyzes the non - sampling errors of Internet surveys and comes up with some steps to reduce them.
本文结合调查误差分析的理论,根据网络自身的特点,分析了网络调查的非抽样误差的来源,并提出了减少误差的方法。
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