root test

Unit Root and Co-integrate Test Analysis of Panel Data

PANEL DATA单位根和协整分析

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The Stochastic Unit Root Test of Time Series Models

时间序列建模中的随机单位根检验

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Using LSTAR ( 1) model as an example, we give the unit root test statistic and its critical value.

以LSTAR（1）模型为例，本文给出了在其中进行单位根检验的统计量及其临界值。

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In the first, with unit root test of non-stationary time series and the error correction model, we have established the error correction model to the multivariable second-order non-stationary time series.

结合非平稳时间序列单位根检验方法和误差修正模型机制，对多变量的二阶非平稳时间序列建立了误差修正模型。

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Furthermore, we extend the SUR method to panel unit root test and panel cointegration test to accommodate dependence across the cross-section.

进一步，本文将SUR的回归思想应用于横截面相关的面板单位根和面板协整检验。

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The unsteadiness of the time series of railway freight volume and its influence factors are proved by unit root test.

通过单位根检验，可知铁路货运量及其影响因素的时序列数据是非平稳的。

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The experiment group for 102 cases with 180 roots, applying root length surveyor test its working length, undertake root preparing and filling up, took X ray after operation;

实验组102颗牙180个根管，用根管长度测量仪测量其工作长度，进行根管预备和充填，术后拍片；

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Taking the real differential digit as critical value and selecting lag truncation parameter to make root test have maximum power, the author compares the reliability of ADF test and PP test through their theoretical power.

以统计量的实际分位数为临界值，在选择滞后截断参数使单位根检验具有最高势的前提下，通过比较检验的势给出了ADF检验和PP检验可靠性的比较结果及其适用范围。

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Intraoperative electrophysiological test results showed that the latissimus dorsi and triceps long head CMAP amplitude significantly greater when stimulate of C7 nerve root than the stimulate of C5,6,8 nerve root.

术中电生理检测结果显示，在刺激颈7神经根时背阔肌及肱三头肌长头所得CMAP波幅值明显大于刺激颈5,6,8神经根所得波幅值。

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However, this would make test case classes difficult to reuse between test types, because the test type decision is made near the root of the inheritance hierarchy;

但是，这会使测试环境类在测试类型中难以再利用，因为测试类型的决定是在靠近继承层次的根部作出的；

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The ratio test and the root test are two widely used convergence tests for positive series.

比式判别法和根式判别法是对正项级数收敛性进行判别的两种广用的方法。

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Research on Wald Statistics for Unit Root Test

单位根检验中的Wald统计量研究

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This paper mainly analyses the influences that tax-system reforms ( including reforms of value-added tax and enterprise income tax) will exert on the government revenue by building Error Correction Model with E-G two step method through unit root test and co-integration test.

本文通过对变量的单整和协整检验，采用EG两步法建立协整模型和ECM模型，实证分析了税制改革，主要讨论增值税和企业所得税改革，对我国财政收入的影响。

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Before modeling, first carry out unit root test and cointegration relationship test on each economic indicator and the make the variables granger causality analysis of the CPI.

在建立模型前，对各经济指标进行单位根检验和协整检验，作各变量对CPI的格兰杰因果关系分析。

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In the manufacturing industry, the unit root test is done for debt/ asset mean by using NP and ADF test, which reveals that mean is not stationary.

在制造业中，通过用NP检验和ADF检验对负债率的行业均值进行单位根检验，揭示了负债率的行业均值具有非平稳性。

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After empirical examining of unit root test, panel co-inspection panel model selection and estimation, using panel data to establish the panel data model, in order to analyze the real estate wealth effect in the inter-regional and inter-city differences empirically.

运用面板数据，通过单位根检验、面板协整检验、面板模型选择与估计等实证检验后，建立面板数据模型，对房地产财富效应在区域间和城市间的差异进行实证分析。

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Research on the Properties of Panel Unit Root Test Statistics with Cointegration among Individual Units

个体协整条件下面板单位根检验统计量性质研究

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ADF test is the most common method of unit root test.

ADF检验 是实际中最常用的单位根检验之一.

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After that, we find that both inflation rate and output gap are smooth level through the unit root test of panel data.

然后，通过面板数据的单位根检验，发现通货膨胀率与产出缺口均是水平平稳的。

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Distribution of the t-Statistics of the Drift and the Time Trend for Unit Root Test

DF检验式中漂移项和趋势项的t统计量研究

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Discovering through the finite element analysis and the test result, Blade profile contract rapidly in which the blade of this article studying is being away from the blade root about 2/ 3 blade, and causes the stress concentration phenomenon.

通过有限元分析和试验的结果均可以发现，本文所研究的叶片在距离叶根大约2/3处叶片外形收缩过快，导致应力有集中现象。

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The root growth, root vigor, root tissue water status and root/ cap of White mustard were investigated under soil water stress using pot test.

利用旱棚盆栽研究土壤水分胁迫对白芥根系发育、根系活力、根组织水分状态和根冠比的影响。

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