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Rapid Graphical Method for Estimating the Precision of Direct Microscopic Counting Data I. Preliminary Evaluation of Technique

机译:估计直接显微计数数据精度的快速图形方法I.技术初步评估

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摘要

A graphical method of estimating the 90, 95, or 99% confidence intervals of direct microscopic counting data is presented. Construction of the graphs is based on the assumption that the normal distribution approximates the Poisson distribution. The method, useful on data obtained from dried films or counting chambers, eliminates time-consuming computation of precision. The minimal number of fields which must be counted to maintain a certain level of precision can be readily determined.
机译:提出了一种估计直接显微计数数据的90%,95%或99%置信区间的图形方法。图的构造基于正态分布近似于泊松分布的假设。该方法可用于从干燥胶片或计数室获得的数据,消除了费时的精度计算。可以很容易地确定必须计数以保持一定精度水平的最小字段数。

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