arima 中文意思是什麼

arima 解釋
阿里馬
  1. Electric load forecasting based on arima model and bp network

    網路的電力負荷預測
  2. Meanwhile, adjusting and optimizing the structure of investment distribution on education should be given attention. the innovation of this article are rest with : 1 ) applying granger causal relations methods to test causal relationships between education investment and economy growth ; 2 ) using time series data to built econometrical model, emphasizing education investment ' s long term feature ; 3 ) projecting future developments by arima model

    本文主要創新點在於: （ 1 ）利用格蘭傑因果關系檢驗確定教育投資與經濟增長之間的因果關系; （ 2 ）利用時間序列數據進行建模時，著重體現了教育投資的長效性這一重要的特殊性質; （ 3 ）利用齊次非平穩過程的arima模型對我國未來教育投資進行了預測。
  3. Kishi keiko, arima ineko, kuga yoshiko

    岸惠子、有馬稻子、久我美子
  4. This system adopts cumulatively autoregressive moving average model [ arima ] of time series method and modified model gm ( 1, 1 ) of grey system, makes a local load forecasting modeling through the integration of the above two models and also preprocesses the daily load during the sudden change of climate, thus greatly improving the forecast accuracy. the practical operation indicates that the model is reasonable and easy to operate with complete function

    本系統在經過反復試算后，在演算法上採用了時間序列法的累積式自回歸動平均模型（ arima ）與灰色系統中的gm （ 1 ， 1 ）改進模型，並將兩種模型組合用於該地區負荷預報建模，另外還對氣候急變日負荷進行了預處理，大大提高了預報準確度。
  5. Then the paper investigated the regularity of different oil indices using time series statistical analysis method, which suggested that there are some regular components in it, including long - term secular trend, seasonal component and long - term cyclical component. the irregular component also plays an important part in it, mainly including the policy of opec, war, all kinds of international convention for the prevention of pollution from tankers and so on. and then a study of simulation and forecasting performance of arima time series model was conducted to crude oil indices, evidence shows that arima model performs better, especially for short - term forecasting

    在此基礎上，本文以時間序列分析作為基礎研究手段，以德國海運費率指數公布的1980年1月至1999年12月的四類油運費率指數為研究對象，分析了四類油運費率指數的長期變化趨勢、季節變化規律、長期周期循環變化規律和不規則變化規律，並應用arima時間序列模型對160000dwt以上的原油運費率指數進行了短期預測，取得了較好的預測效果。
  6. Forecast research of china ' s electric power production based on arima models

    模型的我國電力生產預測研究
  7. Anyone know how to generate data for arima by sas ? or seasonal arima model

    主題:弱弱的問：如何在sas數據集中隨機取樣本？
  8. The paper studies the suppressing method of ifog " s drift and build arima models of ifog random drift to compensate random drift

    本文深入的研究了ifog的漂移特性，給出了隨機漂移的補償辦法。
  9. Based on sample of the index from april 3, 1991 to may 31, 2001, arima models have been built with tsp computer software guided by route of " from general to specific ". the models built have better fit goodness and one point forward prediction is highly precise. but ultra - sample prediction by c + + program shows prediction precision reduces fast as the length of prediction grows, long term prediction of the index is impossible

    建模表明利用tsp統計軟體結合從「一般到特殊」的建模方法，所建的模型對已有數據的擬合較好，向前一步單點預測準確性較高，但利用c語言程序進行進一步分析表明時間序列分析模型對深圳成分指數的長期預測效果明顯降低。
  10. Firstly, utilizing grey - separate model makes time - series take speadily, that is to say, use the grey model to prune the trend one x ( t ) ; and the array got is a steady time array y ( t ) ; secondly, using arima models y ( t ) ; lastly, we get combined predication model of w ( t )

    首先利用灰色分離模型法使時間序列平穩化，即利用灰色模型削去趨勢項x （ t廠得到的序列既是平穩時間序列y （ t廣然後利用aaima模型法對y （ t ）建模，最後得到原始數列叫t ）的組合預測模型。
  11. The paper applies time series analysis method to set up arma model and arima model

    摘要運用時間序列分析方法對時間序列建立arma ， arima模型。
  12. The analysis of time - series is important for economics statistics and forecasting. up till now, most documents adopt arima model to carry on modeling and predict to time - series analysis extensively. but arima model needs more than 50 historical statistics in model discerning, and it is difficult to collect data by quarter, month or year

    時間序列分析在經濟統計與預測中佔有重要地位，到目前為止，大多數文獻廣泛採用arima模型法對時間序列分析進行建模與預測，可是arima模型法在模型識別時需要50個以上歷史統計數據，這對按月、按季或按年記錄的經濟資料往往較難收集。
  13. ( 4 ) the thesis converts unrest model ( arima model ) of time series to the rest model ( arma model ) of time series. it sets up models acrossing some procedures, such as model identify, factor estimation, model check, ect, then predict the development short - term warp of road foundation. it predicts the time of the filling soil of the next grade utilizing the growth theory of the strength of the road foundation, assures that the working organization and design go smoothly during the filling work of road foundation and saves time and money

    （ 4 ）從路基實測變形數據出發，將時間序列非平穩性模型（ arima模型）轉化成時間序列平穩模型（ arma模型） ，通過模型識別、參數估計、模型驗證等步驟來建立模型，從而進行路基動態變形預測，利用路基變形的控制標準對路基下一級填土的時間進行預測，優化了施工組織設計，節省了時間和資金。
  14. Approximate power of heteroscedasticity test in nonlinear models with arima errors

    誤差的非線性回歸異方差檢驗的漸近功效
  15. Intervention arima model and its positive research in our country ' s population forecasting

    模型及其在我國人口總量預測中的實證研究
  16. Hence, by observing certain characteristics, an optimal fitting model can be selected from a prior modes family, such as arima models, regression models, threshold models, and so forth

    傳統的預測方法一般是根據實際觀測的統計資料去擬合各種先驗的模型如arima模型、回歸模型等，根據其實際擬合情況，找出最合適的模型。
  17. The comparison of arima model and arch model application in hongkong stock price index prediction

    模型在香港股指預測方面的應用比較
  18. Performance investigation of arima model in his prediction

    預測中的初步研究
  19. Short - time traffic flow prediction based on arima

    的交通流量短時預測
  20. Arima time series modeling and applying on fresh agricultural products

    作物形態輔助設計系統的開發與應用
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