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词汇 Empirical mean
分类 英语词汇 英语翻译词典
释义

Empirical mean

中文百科

样本均值 Sample mean and covariance

(重定向自Empirical mean)

样本均值是由一个或多个随机变量中得到的统计数据,样本均值是一个矢量,其中的每个元素都是针对随机变量取様后得到的几何平均数,若只考虑一个随机变量,则样本均值为一个纯量,是随机变量观测值的几何平均。

英语百科

Sample mean and covariance 样本均值

(重定向自Empirical mean)

The sample mean or empirical mean and the sample covariance are statistics computed from a collection (the sample) of data on one or more random variables. The sample mean and sample covariance are estimators of the population mean and population covariance, where the term population refers to the set from which the sample was taken.

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