The quality control measure of analytical data in laboratory was carried out by using the method of testing the applicability of standard analytical method, examination of quality control and ±2S single value continuous control figure.
文章所论述的实验室分析数据的质量控制措施主要是通过对分析方法“适用性”的验证、质控考核以及± 2S单值连续控制图相结合的方法进行的。
The single angle distribution and the sistribution of moving resultant length were studied by using the statistics for directional data,and the control limits of single value control chart and moving resultant length control chart with or without the given standard values were calculated.
应用方向数据统计方法,从平均方向和合向量长度的概念出发,研究角度单值的分布和移动合向量长度的分布,给出标准值给定和标准值未给定两种情况下角度单值控制图和移动合向量长度控制图的控制限。
Comparison of process capability index and the process performance index based on individual observations;
单值数据的过程能力指数与过程性能指数比较
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