root test造句
例句與造句
- Unit root tests on time series with garch - skew - t error term
誤差項(xiàng)的時(shí)序的單位根檢驗(yàn) - Unit root test for seasonal time series with seasonal linear trend
的時(shí)間序列模型的建立與分析 - Adf unit root test on time series with gjr - garch - skewt error term
利用加權(quán)對(duì)稱估計(jì)量對(duì)季節(jié)性時(shí)間序列的單位根檢驗(yàn) - As usual , the unit root test is done ( with adf ) , and the ecm model is gradually adapted to the final equation
然后筆者用sas將二者合成,力求用最簡(jiǎn)單的方式最真實(shí)地反映決策約束。 - We test the convergence with unit root test of panel data to examine the trend of china rural development regional disparity
為了考察中國(guó)農(nóng)村發(fā)展地區(qū)差距的變化趨勢(shì)，我們采用面板數(shù)據(jù)單位根檢驗(yàn)的不同方法對(duì)其收斂性進(jìn)行了嚴(yán)格的計(jì)量檢驗(yàn)。 - It's difficult to find root test in a sentence. 用root test造句挺難的
- Numerous hairy roots were induced from protocalli on ms medium without any growth regulator . the paper electrophoresis revealed that all of the regenerated hairy roots tested synthesized the corresponding opines
原生質(zhì)體分裂形成的愈傷組織在無(wú)激素ms培養(yǎng)基上再分化出的發(fā)狀根仍具冠癭堿合成酶活性。 - Firstly , in the preface part , the paper elaborate the development process and mainresearch result of panel data analysis , including basic theories and the latest researchresult about unit root test and cointegration
首先在引言部分闡述了面板數(shù)據(jù)分析理論的發(fā)展歷程和主要研究成果,包括面板數(shù)據(jù)分析的基本理論以及面板數(shù)據(jù)的單位根檢驗(yàn)和協(xié)整分析等近期熱點(diǎn)研究領(lǐng)域的最新成果。 - In this paper , the algorithms of applying the conditions in electric power system short - term load forecasting are introduced . it also gives the algorithms of unit root test and cointegration test , which are necessary to the test of the conditions
針對(duì)預(yù)測(cè)精度的提高，本文還分析了組合預(yù)測(cè)應(yīng)用于電力系統(tǒng)短期負(fù)荷預(yù)測(cè)的條件，指出：組合預(yù)測(cè)模型中的每個(gè)單項(xiàng)預(yù)測(cè)應(yīng)與被預(yù)測(cè)變量具有協(xié)整關(guān)系。 - Frist , this paper uses unit root test and cointegration techniques to study the correlations between chinese pulic capital and private capital formation , production efficiency and economic growth under the total production function by examining the sample from1978 to 2003
本文第一個(gè)工作是在總量生產(chǎn)函數(shù)的框架下,以1978 - 2003年為樣本期,運(yùn)用單位根檢驗(yàn)和協(xié)整分析方法研究了中國(guó)公共資本和私人資本形成、產(chǎn)出效率與經(jīng)濟(jì)增長(zhǎng)之間的相關(guān)性。 - Strong the relationship of tax and economy , adjust the structure of budgetary expenditure … ) and some points need further research ( e . g . the analysis of tax structure … ) this paper adopt unit root test , cointegration test and ecm model to solve the spurious regression of traditional forecast model . var model has good forecast effect and stepwise regression can solve multicollinearity
本文在繼承前輩研究成果的基礎(chǔ)上力爭(zhēng)有所突破,在研究方法上,針對(duì)傳統(tǒng)稅收預(yù)測(cè)模型存在的某些缺陷,采用單位根檢驗(yàn)、協(xié)整檢驗(yàn)及ecm模型解決困擾計(jì)量經(jīng)濟(jì)學(xué)界多時(shí)的偽回歸問(wèn)題; grange因果關(guān)系檢驗(yàn)、 var模型被證明具有較好的預(yù)測(cè)效果;逐步回歸則有效的克服了多重共線性帶來(lái)的問(wèn)題。 - ( 3 ) how to design the bayesian test method about the parameter ' s linear hypothesis according to the relationship between the multivariate t distribution and f distribution . ( 4 ) the bayesian diagnosis and unit root test method about the random error series . ( 5 ) the bayesian mean value quality control chart when the variance is known and the mean value - standard error control chart when the variance is unknown
然后，研究了擴(kuò)散先驗(yàn)分布下單方程模型參數(shù)的貝葉斯估計(jì)理論，證明了模型系數(shù)的后驗(yàn)分布為多元t分布，模型誤差項(xiàng)方差的后驗(yàn)估計(jì)為逆gamma分布；根據(jù)多元t分布和f分布之間的關(guān)系，構(gòu)造了模型系數(shù)線性假設(shè)檢驗(yàn)的貝葉斯方法；根據(jù)hpd置信區(qū)間構(gòu)造了隨機(jī)誤差序列自相關(guān)的貝葉斯診斷和單位根檢驗(yàn)方法，并利用單方程模型的貝葉斯推斷理論研究了方差已知時(shí)的貝葉斯均值控制圖和方差未知時(shí)的貝葉斯均值?標(biāo)準(zhǔn)差控制圖。 - The relations hip between the real estate price and residents ' disposable income in china is analyzed from the point of view of economics theory , then based on the data from 20 provinces from 1990 to 2005 , the relations hip between the real estate price and residents ' disposable income in china is verified through unit roots test , cointegration test and long - term model test ; finally , the basic policy suggestions are proposed based on the conclusion of theoretical and case analysis
摘要從經(jīng)濟(jì)學(xué)理論的角度闡述了我國(guó)房地產(chǎn)價(jià)格與居民可支配收入的關(guān)系；然后基于1990 ~ 2005年我國(guó)20個(gè)省份組成的面板數(shù)據(jù)，通過(guò)單位根檢驗(yàn)，協(xié)整檢驗(yàn)，建立長(zhǎng)期模型檢驗(yàn)，驗(yàn)證了我國(guó)房地產(chǎn)價(jià)格和居民可支配收入的關(guān)系；最后根據(jù)理論和實(shí)證分析得出的結(jié)論，提出了基本的政策建議。 - We research the stability of the three - factor model by using chow test and research the coefficient stationary by using unit root test , and forecast the coefficient of the model using arma 、 garch model . the results show that the model is instability in the long run , most coefficient is non - stationary , and we can preferably forecast the coefficient by using the arma 、 garch model . in the process of designing strategic investment portfolios and the strategic risk budgeting prevailing in resently which in order to control investment risk , the investors generally structure their portfolios in different industries
模型回歸系數(shù)是測(cè)度投資對(duì)象系統(tǒng)風(fēng)險(xiǎn)的重要指標(biāo),我們利用chow檢驗(yàn)對(duì)證券收益三因素模型結(jié)構(gòu)的穩(wěn)定性進(jìn)行了分析研究,用adf檢驗(yàn)對(duì)模型的三個(gè)回歸系數(shù)的穩(wěn)定性進(jìn)行了實(shí)證分析,采用arma和garch模型對(duì)回歸系數(shù)的預(yù)測(cè)能力進(jìn)行了研究,結(jié)果表明組合三因素模型結(jié)構(gòu)不穩(wěn)定,但短期比長(zhǎng)期結(jié)構(gòu)穩(wěn)定性要高;大部分組合回歸系數(shù)時(shí)序穩(wěn)定性較差,同時(shí)arma和garch模型對(duì)每個(gè)回歸系數(shù)時(shí)間序列進(jìn)行預(yù)測(cè)顯示有較好的預(yù)測(cè)能力。 - The fifth chapter " stock price arfima , garch and figarch model " introduced different kinds of time series models including fractal model , method such as analysis of variance ( anova ) and unit root test to test the stability of time series , method and criteria to estimate the arfima , garch and figarch model
第五章介紹了股票價(jià)格的分形時(shí)間序列模型，介紹了檢驗(yàn)時(shí)間序列平穩(wěn)性的方差分析和單位根檢驗(yàn)方法以及非平穩(wěn)的處理方法， arfima ， garch和figarch模型的建模方法和股票市場(chǎng)的分形特征和股票價(jià)格的figarcll模型叭穴參數(shù)估計(jì)方法和估計(jì)準(zhǔn)則。
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