missing variable是什么意思

网络释义

用法例句

It can lead to the omitted variable bias in the estimation of model parameter OLS.

建立计量经济模型时,忽视那些难于量化或无法获得观测数据的解释变量是一种最常见的处理方法,但这可能造成模型参数OLS估计量的变量遗漏偏差。

Then the phenomenon of phase change lost , resulted from the fixed time step, was analyzed through a typical numerical example.

结合实例分析了FEM和FDM方法造成的'相变遗漏',提出一种自调节时间步长、半隐和全隐格式交替使用的方法,使模型求解迭代大为简化,有效避免了'相变遗漏'引起的温度场分析误差。

The thesis analyses the errors of omission and addition in the compositions by Korean students under the guide of the theory of interlanguage and discusses the learning strategies reflected by the .

运用中介语理论对韩国学生作文中遗漏和误加两种偏误类型进行分析,初步探讨两种偏误中所反映出来的学习策略。

A Panel Data Method of Correcting the Omitted Variable Bias in Regression Models;

回归模型中变量遗漏偏差补救的面板数据方法

relative deviation of controlled variable

控制变量的相对偏差

acceptable deviation of controlled variable

控制变量的容许偏差

error and omissions excepted

误差和遗漏不在此限

Oscillation Criteria of Difference Equations with Continuous Deviating Arguments;

具有连续变量的偏差变元差分方程的振动性

the expected value of the square of the deviations of a random variable from the point of origin.

偏离原点的随机变量的偏差平方的期望值。

Strong deviation theorems of random variable sequences for occurring frequencies;

随机变量序列发生频率的强偏差定理

Returns covariance, the average of the products of paired deviations

返回协方差，即每对变量的偏差乘积的均值。

Returns covariance, the average of the products of deviations for each data point pair in two data sets

返回协方差，即每对变量的偏差乘积的均值

Analysis of China international balance sheet error and omission item changes s economy influence;

近几年我国国际收支平衡表误差与遗漏项目变化的经济影响分析

The threshold value should be defined by the relationship concerning the mean and standard variances of the fire bright temperatures,whereby the missing of the fire spot can be avoided.

利用火点亮温偏离统计均值标准差的关系来确定阈值,可以避免火点的遗漏;

composition deviation transmitter

成分（偏差）变送器

A Class of Stong Deviation Theorems For Continuous Random Variables By Transformation of Laplace

基于Laplace变换的连续型随机变量的强偏差定理

statistical measure of the variance of two random variables measured in the same mean time period.

同一时间段内，两个随机变量平方偏差的统计值。

A Class of Strong Deviation Theorems for the Sequences of Absolutely Continuous Random variables

连续型随机变量序列的一类强偏差定理

Impact on Strain Measurement by Fiber Bragg Grating of Error of Installation

安装偏差对光纤布喇格光栅应变测量的影响

The Announcement Effect and Reaction-Bias of the Volume Change of China's A Shares;

A股总量变动的股价效应及反应偏差的研究

Large Deviations for the Partial Sums of Several Random Variable Sequences;

一些随机变量序列部分和的大偏差定理