运用属性抽样时，审计师不得不做出很多决定。
An auditor has to make a number of decisions when using attribute sampling.
对于属性区域内部的定量属性抽样值，则建立了抽样值的相关函数表达式。
Correlation functions between sample values in attribute data are used to measure data sampling errors quantitatively.
对简单随机不放回抽样，在总体非敏感属性个体比例未知的情况下，给出了两个子样本容量的最优配置。
Under simple random sampling scheme without replacement and unknown proportion of population possessing neutral attribute, the optimal allocation of sizes of two sub-samples is given.
为了能估计流量总体统计属性，抽样样本需要具有统计随机性。
And in order to estimate the character of traffic statistics, the traffic sample should be random in statistics.
基于抽样检验在测量数据精度分析中的思想，提出基于抽样的缺陷率方法对GIS属性数据的精度进行度量。
In this paper, the method of rate of disfigurement is proposed to measure accuracy of attribute data in GIS.
基于抽样检验在测量数据精度分析中的思想，提出基于抽样的缺陷率方法对GIS属性数据的精度进行度量。
In this paper, the method of rate of disfigurement is proposed to measure accuracy of attribute data in GIS.
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