dummy variable 中文意思是什麼

dummy variable 解釋
【數學】虛變量。

  • dummy : n 1 〈口語〉啞巴;經常沉默的人。2 掛名代表;傀儡。3 (櫥窗中的)模型人;(拍電影用的)假人;人形...
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  1. Congestion dummy variable

    擁擠虛擬變量
  2. This study analyzes what the best scale is and prove this finding with real cases. in the multi - factor regression model, a dummy variable is created to represent the comprehensive market conditions

    基金不具備很強的擇時能力,我國基金存在最優規模問題,相關的外部環境不利於基金對于自身績效的控制。
  3. To solve the problem, the author introduces a dummy variable representing the rural households " income gap in the eles model, and thus expands eles to the 2 extended linear

    經濟轉軌時期,未來的不確定性是一個突出的問題,也是新古典理論研究的重要領域,本文首先研究了不確定性與農戶消費的關系,並提出了「浴盆」曲線假說理論。
  4. And also expounding that the first - fight - time can give explanation to the advanced techniques, the estimating ranges of first - fight - time in alcc estimating are expanded. the type - changed index and type - difference are selected as dummy variables. it has discussed mearsursion of type - changed index, and three criterions and three methods to set models including the dummy variable are got

    說明性變量選取:說明性變量的選取基於費用因子分析,特別討論了首飛時間對費用預測的影響,論述了首飛時間能對技術先進性作出說明,拓寬其在費用預測中的作用,選取改型指數虛設變量,研究了改型的量化方法,提出了判別準則和實現方法。
  5. Based on funds holding stocks sample and whole stocks sample, it uses cck adjusted model to test the existence of herd behavior of funds and that of the whole stock market. then, it inserts dummy variable dt in cck adjusted model to testify whether herd behavior of funds and that of the whole stock market are the same in scale to prove whether herd behavior of funds makes stock prices fluctuate in the whole stock market

    本文主要採用實證研究的方法,首先運用cck校正模型,按基金持股樣本和股市整體樣本,分別檢驗基金羊群行為及股市整體羊群行為是否存在;其次,在cck校正模型的基礎上引入虛擬變量d _ t ,建立虛擬變量模型,以檢驗基金與股市整體羊群行為的顯著程度是否相同,從而證明基金羊群行為能否引起股市整體價格的波動。
  6. Part two introduces the theory of panel data. the basic form of panel data is : yi t = it + xi t it + uit, i = 1, 2, …, n ; t = 1, 2, …, t panel data is used for describing the instance of swatch in a collectivity in some time, and observing every unit in swatch multi - scale. basing on the different hypothesis of ui, panel data has fixed effect model and random effect model, if ui is a unit constant ( corresponding to the dummy variable of

    基於分析結果,本文給出了改革我國公司治理結構的若干建議: ( 1 )股權性質方面,培育有效的國家股持股主體; ( 2 )股權結構方面,逐漸調整股權結構,減少第一大股東持股比例,增加除第一大股東以外的大股東的股權集中度; ( 3 )董事會方面,採取奇數型董事會規模,並完善獨立董事的生成機制; ( 4 )激勵制度方面,應加大董事及總經理的持股比例。
  7. By setting up dummy variable regression equation, the effect of non - economy factors is analyzed quantitatively. 3. using artificial neural network to map the relationship between the household appliance percentage and average residential electricity demand, this paper presents an artificial intelligent method to forecast residential electricity demand

    建立帶有虛擬變量的多元回歸方程,同時考慮了影響居民電力需求的經濟因素和非經濟因素,定量描述了非經濟因素(例如氣候、生活習慣、消費習慣)對居民用電的影響。
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