青年中文青年中文

sample observations的意思

sample observations中文翻譯:

樣本觀察值

相似詞語短語

observations───n.觀察,觀察值;觀察結果;(觀察后發表的)言論(observation的復數形式)

sample───n.樣品,樣本;(化驗的)抽樣;(用于新樂曲中的)節錄樂曲;確定(模擬信號)瞬時值;v.品嘗,體驗;抽樣檢驗;節錄(某一曲子,用于新樂曲中);n.(Sample)(美、英、愛爾蘭)桑普爾(人名);adj.樣品的,作為例子的

small sample───[統計]小樣本,小試樣;小包貨樣;小包貨樣,小樣本

sample survey───抽樣檢查;先行甸;樣品鑒定;檢驗樣品

sample price───樣品價格

sample loop───樣品環;進樣環路

sample projects───示范工程;樣板工程;示例項目;采樣方案

sample show───樣品展示

prototype sample───樣品;初樣;原型樣品

雙語使用場景

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.───本文通過1998-2008年間2724例公司年樣本觀察值證明現金流波動率與公司價值顯著負相關。

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.───人口均值經常寫成“x-條形柱”,如果你有一個樣本有n個觀測者,是從 i=1到n和的xi/n,這是平均值。

Consider a set of observations (also called features, attributes, variables or measurements) for each sample of an object or event with known class y.───設觀測向量x(也被稱作特征、屬性、變量、測量值等)對于對象或事件的每一個采樣的所屬類y都是已知的。

英語使用場景

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