樣本選擇 的英文怎麼說

中文拼音 [yàngběnxuǎnzhái]
樣本選擇 英文
selection sample
  • 樣 : Ⅰ名詞1. （形狀） appearance; shape 2. （樣品） sample; model; pattern Ⅱ量詞（表示事物的種類） kind; type
  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 樣本 : sample book; specimen; advanced copy; sample; muster; scantling; instance; statistics
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. Heckman, j. j. ( 1979 ), sample selection bias as a specification error, econometrica, 47, 153 - 161

    樣本選擇偏差，一看就知道是個很重要的問題嘛，排名第五，不算虧待。
  2. In the genetic process of reproduction, crossover and mutation of the chromosomes in this method, these operators pr, pc and pm are produced randomly within some space, the scale of population and all kinds of genetic probability are also adjusted randomly so that the diversity individuals of population is ensured. the ga of dynamic population scale passes more information of paternal chromosomes to the offspring, which is beneficial to search the global optimization or quasi - global optimization

    該方法在染色體進行繁殖、交叉、突變的遺傳過程中，在某一范圍內隨機選取p _ r ， p _ c ， p _ m ，動態調整種群規模，保證了種群個體的多樣性；選擇同父本分別進行三種遺傳過程使得父本染色體中有更多的信息傳遞給子代，這有利於搜索全域最優解或準最優解。
  3. There are several obvious factors in the design and conduct of clinical trials in sepsis to be observed, including case selection, end points, and sub - population evaluation, etc

    在進行膿毒癥臨床試驗設計的過程中，應注意樣本選擇、觀察指標和亞群分析等。
  4. Accord ing to the selected data, outcomes of the analyses possesses high correlations with the market values in this model, thus it has evaluated the enterprise values within the range of the data we have collected. according to the principles of statistical samples choosing, we argues that the parameter - determining methods used in the paper are reasonable, so we can predict the populations by the samples. to sum up, using these parameter - determining methods that have satisfied the basic presumes, this model has assessed the values of chinese enterprises properly

    從本文選擇的有限數據資料所做的結果來看，該模型所做結果與市場價值具有高度的關聯關系，因此，在本文所研究的樣本范圍內，該模型很好的估價了企業的價值，根據統計學樣本選擇的原理，從樣本推斷出總體，筆者認為本文中對模型參數的確定方法是可取的，在滿足該模型基本假定的前提下，按本文所述參數確定方法，該模型可以很好地評估我國上市公司的企業價值。
  5. Based on the difference of sandy land types on the spatial constructions, geostatistical texture was used to monitor desertification, and the discrimination degree of sample selection could be increased by using variogram texture to increase the difference of different kinds of sandy land

    基於不同沙地類型在地表空間結構上的差異，提出將基於地質統計學的影像紋理應用到荒漠化監測中，通過變異函數紋理來加大各種不同類別沙地間的區別，提高樣本選擇的分離度。
  6. A fast svm training algorithm based on boundary samples selection is proposed ( bss - svm ). this novel algorithm selects boundary samples from training samples to train svm, instead of using normal training samples

    根據svm的分類判決面僅由支持向量決定的特點，提出了基於邊界樣本選擇的快速svm學習演算法（ bss - svm ） 。
  7. Online algorithm and amortized analysis techniques are used to analyze the web page, and we establish sample selection rules to choose the hyperlink, and then the learned hyperlink mode is expressed in the form of regular expression, at last, we see whether the hyperlink mode matches all the hyperlinks to obtain the efficient hyperlink

    首先利用在線演算法與平攤分析對鏈接頁面分析，其次制定了樣本選擇規范對鏈接樣本進行選取，而後將學習到的鏈接模式表示為正則表達式，最終將鏈接模式與頁面所有鏈接進行匹配，獲得主題鏈接。
  8. The proposed sample selection model is tested on uci dataset, which proves the efficiency of the model

    利用uci標準數據集對本文所提出的樣本選擇模型進行測試，實驗結果證明了該模型的有效性。
  9. 4. based on uniform design and the cluster theory, a optimum selecting method of sample is proposed to solve the problem of sample selection

    結合均勻設計和聚類思想提出的樣本優選方法，在一定程度上解決了神經網路樣本選擇的問題。
  10. 2. the sample selection model based on improved genetic algorithm is put forward, which is combined with evolutionary local selection algorithm, and applied to predict potential customers

    2 .提出基於改進的遺傳演算法的樣本選擇模型，把該樣本選擇模型與局部進化特徵選擇演算法相結合，並將其應用在潛在客戶預測中。
  11. At first the background and train of thoughts of the research are described in the introduction which also summarizes the foreign and domestic empirical studies of relative issues. secondly, the paper introduces the theory of m & a and the effect of m & a on the company ’ s efficiency is analyzed based on the relative theory which provides a theoretical basis thus introduce eva into the evaluation system for the m & a behavior in chapter 3 for the latter research. chapter 4, as the core of the paper, describes the development of listed companies ’ m & a in china, confirms the period of m & a samples chosen in the paper, and conducts an investigation into the performance of m & a using the model built on eva

    首先在緒論中提出了本文的研究背景、研究意義、研究思路和研究方法;然後對企業並購理論方面已有的研究成果進行總結，並對中外的研究方法進行述評，在對現有研究方法的缺陷進行分析后，提出了自己的觀點:引入業績評價指標? ?經濟增加值eva來對並購公司的績效進行評價;第三章對eva評價法從其定義、特點、計算方法和其相關研究結論入手進行了一系列的構建，解釋了eva評價法的優越性和引入該指標的可行性，同時通過實證研究驗證了eva在評價並購績效時的有效性，為下面實證研究做了理論分析基礎;第四章是本文的核心部分，介紹了我國上市公司並購的發展狀況，確定了實證研究的現實背景和樣本選擇，並用eva指標研究了上市公司並購后的短、中期績效;最後，概述了本文所取得的成果及運用現有的並購績效理論對研究結果進行了合理的解釋和研究的不足，並結合實證研究結果對我國並購行為提出了筆者的建議。
  12. The characteristics of china stocking exchange and the gradual process of the issuing principles of new stocks are introduced in advance and then the importance of selection and accuracy of research sample and result, caused by the organization system of china ' s stock issuing market, the volume management principle, the marketing assistance principle, the verifying principle, the selling principle, the pricing principle and the change of issuing way involved are put an emphasis on. here the research sample of new stocks ( a - share ), issued and marketed in shanghai stock exchange from 2001 to 2002 are defined by synthesizing all of other elements

    論文首先介紹中國證券市場的特點以及新股發行制度的演進歷程，強調中國證券發行市場的組織體系、額度管理制度、上市輔導制度、審核制度、承銷制度、定價制度、發行方式變遷對研究樣本選擇和研究結果準確的重要性，並綜合考慮其它因素確定2000 - 2001年在上海證券市場發行並上市的新股（ a股）作為研究樣本。
  13. Taking listed companies in central china as samples and selecting such variables as the size of the board, the proportion of the independent directors and the share concentration ratio, this thesis empirically analyzes the relationship between the board structure, the ownership structure and the corporate performance

    本文以我國中部地區上市公司為樣本，選擇董事會規模、獨立董事比例、股權集中度等若干研究變量，對董事會結構與股權結構和公司績效的關系進行實證分析。
  14. We compared the syntactic rule distribution of the subset with the distribution of the whole set to see whether they were similar, and made a baseline of the distribution similarity between subset selected randomly and the whole set. the result showed us that the distribution similarity between the subset and the whole set was great

    為了檢驗獨立於模型的樣本選擇方法是否有效，本文利用kl - distance計算了通過該方法選擇出的子集同原句子集在句法規則上的相似程度，並用隨機選擇的句子集作對比，發現通過該方法選擇出的子集的句法規則分佈同原句子集的句法規則分佈很相似。
  15. Having randomly selected 492 articles published in the past 10 years since 1995, this paper evaluated the state of research into women in china in the past ten years with the research topics, subjects, types and methods being the variables for analysis

    摘要本文以1995年以來國內學者公開發表的婦女研究方面的論文非隨機選取的492篇為樣本，選擇研究主體、研究主題、研究類型、研究方法為分析變量，對近十年來中國婦女研究狀況進行評估。
  16. Part three : the design of the questionnaire and the selection of sample

    第三部分：調查問卷的設計和樣本選擇。
  17. The third problem is how to choose learning samples to improve the rate of recognition

    第三個問題是如何進行學習樣本選擇，以提高形狀識別系統的識別正確率。
  18. In the third part, the author narrates in great detail sampling, survey procedure and research methods

    第三部分，具體敘述了本研究的樣本選擇、調查過程和研究方法。
  19. Random sampling is a common approach to this problem. however, random sampling is blind because it does not exploit any data characteristic

    目前普遍採用的樣本選擇方法是隨機抽樣，然而隨機抽樣方法沒有利用數據的任何特點，比較盲目。
  20. Part three is appraisal about the present situation on land use insmall - towns of chongqing. using the method of multi - factored composite evaluation and a set of target and principle, modeling the evaluation unit, choosing the evaluation index that affect the evaluation unit, the land use intensive level, economic benefit and environmental benefit are measured to realize the evaluation target

    採用多因素綜合評價法，對小城鎮土地集約利用水平、土地利用經濟效益、環境效益按照一定的目標和原則，以評價單元為樣本，選擇對評價單元發生作用的因素和因子作為評價指標，並通過適宜的模式予以量化、計算和歸並，從而實現評價目標。
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