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来源:百度知道 编辑:UC知道 时间:2024/05/26 11:29:31
Fig 6 shows the plot for pairs of measurements made with the mini Wright peak flow meter.There does not appear to be any relation between the difference and the size of the PEFR.There is, however, a clear outlier. We have retained this measurement for the analysis,
although we suspect that it was technically unsatisfactory. (In practice, one could omit this subject.) The sum of the differences squared is 13479 so the standard deviation of differences between the 17 pairs of repeated measurements is 28.2 l/min. The coefficient of repeatability is twice this, or 56.4 l/min for the mini meter. For the large meter the coefficient is 43.2l/min.
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不好意思,我晚上平常不上网,没有及时解决你的问题,只能供你参考了。
Fig 6 shows the plot for pairs of measurements made with the mini Wright peak flow meter.图6示出了用小型赖特峰值流量计测得的一对对测量值。There does not appear to be any relation between the difference and the size of the PEFR.在差别和PEFR(呼气流速变化率)的大小之间似乎没有任何关系。There is, however, a clear outlier.可是存在一个明显的异常值。 We have retained this measurement for the analysis, although we suspect that it was technically unsatisfactory. (In practice, one could omit this subject.)我们已保留了这一测量值用于分析,不过我们怀疑其在技术上不能令人满意。(在实践中,人们可能忽略这个主体) The sum of the differences squared is 13479 so the standard deviation of differences between the 17 pairs of repeated measurements is 28.2 l/min. 差别之和的平方是13479, 因此十七对重复测量值之间差别的标准偏差是28.2 l/min。The coefficient of repeatability is twice this, or 56.4 l/min for the mini meter. For the large meter the coefficient is 43.2l/min重复性系数是其两倍,或者对小型表计来说为56.4 l/min。对大型表计来说,此系数为43.2 l/min。

图6表示用呼气峰值流速计测量的双曲线图表。呼气高峰流量的尺寸与差异之间没显示出任何关系,然而却出现明显的分离。这次测量将被记录以便分析。
尽管我们怀疑这是由于技