sample observations信息详情

sample observations发音

意思翻译

样本观察值

相似词语短语

observations───n.观察,观察值;观察结果;(观察后发表的)言论(observation的复数形式)

sample───n.样品,样本;(化验的)抽样;(用于新乐曲中的)节录乐曲;确定(模拟信号)瞬时值;v.品尝,体验;抽样检验;节录(某一曲子,用于新乐曲中);n.(Sample)(美、英、爱尔兰)桑普尔(人名);adj.样品的,作为例子的

small sample───[统计]小样本,小试样;小包货样;小包货样,小样本

sample survey───抽样检查;先行甸;样品鉴定;检验样品

sample price───样品价格

sample loop───样品环;进样环路

sample projects───示范工程;样板工程;示例项目;采样方案

sample show───样品展示

prototype sample───样品;初样;原型样品

双语使用场景

This paper presents evidents that cash-flow volatility is negatively related to firm value using a large sample consisting of 2724 firm-year observations from 1998-2008.───本文通过1998-2008年间2724例公司年样本观察值证明现金流波动率与公司价值显著负相关。

The population mean is often written "x-bar." If you have a sample with n observations, it's the summation i = 1 to n of xi/n--that's the average.───人口均值经常写成“x-条形柱”,如果你有一个样本有n个观测者,是从 i=1到n和的xi/n,这是平均值。

Consider a set of observations (also called features, attributes, variables or measurements) for each sample of an object or event with known class y.───设观测向量x(也被称作特征、属性、变量、测量值等)对于对象或事件的每一个采样的所属类y都是已知的。

英语使用场景

In the classic econometrics the sample observations are cross sectional data or time series data.