無偏樣本 的英文怎麼說

中文拼音 [piānyàngběn]
無偏樣本 英文
unbiased sample
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • : 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
  • : 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...
  • 樣本 : sample book; specimen; advanced copy; sample; muster; scantling; instance; statistics
  1. We find that the petrology characteristic of all the samples have no characteristic of meteoric water such as geopetal structure, infiltrative sand, ( uniform cement and gravitational cement on base of the research of the dolomite in the regions. on the dot diagram of combination of mgco3 ( mol % ) and sr, the dot are all close to the line of seawater whether they are microlite - crystalline penecontemporaneous dolostone or diagenetic dolostone of various crystals. the 87sr / 86sr value of dolostone or matrix is less than the one of sparry calcite in cave or vein, and close to the value of seawater

    通過區白雲巖的研究發現:已有的白雲巖品的巖石學特徵沒有顯示出如示底構造、滲濾沙、新月型膠結物和重力膠結物等大氣淡水作用的特徵;在白雲石mgco _ 3mol百分數和白雲石sr含量的投點圖中,論是準同生成因的泥?微晶白雲巖,還是粉?細晶(或中晶,或細晶以上的不等晶)的成巖白雲巖,均投在海水線的附近;白雲巖(或基質)的~ ( 87 ) sr / ~ ( 86 ) sr比值顯著低於與孔洞或脈中充填的亮晶方解石,且與海水值十分接近, ~ ( 13 ) c和~ ( 18 ) o值顯著高於孔洞或脈中充填的亮晶方解石,也向于海水值; mn含量則顯著低於孔洞或脈中充填的亮晶方解石。
  2. The likelihood ratio tests indicate the null hypothesis of exact linear aggregations and identical preferences across income groups are rejected by the sample data

    檢定統計量概似比值顯示資料拒絕需求模式設定?線性加總,和不同所得組別需求好結構是一致之虛假說。
  3. This paper uses arch model method in econometrics to set up an auto - regression model with different variance characteristic, which catches to the signal of herd behavior that can be comparatively sensitive. basing on the sample stocks of the index 180 of sse for studying sample, author conduct empirical tests on the non - linear relations between csad ( cross - sectional absolute deviation of returns ) and the market returns to judge whether the herd behavior in the stock market of china is remarkable. according to the empirical analysis, author finds, both in the up - market and down - market, certain herd behavior exist on the stock market of our country

    文運用計量經濟學中的arch模型方法,建立了一個能較為敏感的捕捉到羊群行為信號的具有異方差特性的自回歸模型,以上證180指數股為研究,通過檢驗個股截面收益的絕對差( csad )與市場組合收益的非線性關系,來判斷我國股市羊群行為是否顯著,通過實證分析,我們發現,論是市場上漲階段還是下跌階段,我國股市都存在一定的羊群行為,同時,文通過比較分析,對實證結果進行深入的剖析,對羊群行為的形成原因進行簡要的分析,並對如何控制羊群行為提出了一些政策性建議。
  4. Enlightened by the idea of aic, this paper treats the data of the same group as samples of certain distribution. in this way, it determines the number of groups by seeking the asymptotically unbiased estimate of kullback - leibler information

    在aic準則思想的啟發下,將應該同屬於一個分類的數據看作是在某一分佈中抽取的,從而通過求kullback - leibler信息量的漸近估計而達到確定類數與數據分類的目的。
  5. The method for retaining sampled units in successive sampling survey for changed probability of selection is introduced. for pps sampling design, a model - design unbiased predictor for the total of a variable for the target population is proposed, and the optimum matching ratio for the predictor under the assumption of unchanged population is calculated. for rhc sampling design, the equation that the optimum matching ration satisfies is given

    介紹了連續抽中概率發生變化時保留的方法。對于有放回的pps抽,在假設的超總體模型之下提出了總體變量總值的模型設計預報量,並計算了總體不變時保留的最優匹配比。對于放回的rhc抽,給出了最優匹配比滿足的方程。
  6. Unbiased estimators are not necessarily consistent, but those whose variances shrink to zero as the sample size grows are consistent

    估計量未必是一致的,但是那些當容量增大時方差會收縮到零的估計量是一致的。
  7. The present financial report stresses great emphasis on the disclosing of the information of the tangible things, such as the storage of the goods, machine and other equipment ; while it fails to give full presentation of the financial information of the intangible things, such as knowledge, human resource and self - imposed honor in their selling practice. the present financial report fails to reflect the hazard and the uncertainty of the selling practice ; and it fails to fully reflect the performance of social responsibility shouldered by the enterprises ; it fails to give a complete solution of the problems of confirmation, evaluation and report of the derived commercial tools ; ft lacks the disclosing of the grouped information. the present financial report is set according to the general st andard, which can not successfully cater to the users of the financial information in their demand for diversity and specialty of the information

    現行財務報告重於揭示存貨、機器設備等有形資產的財務信息,而對知識資、人力資源、自創商譽等形資產的財務信息揭示不足;現行財務報告缺乏對經營業務風險性和不確定性的反映;不能全面反映企業所承擔的社會責任履行情況;不能完全解決衍生金融工具的確認、計量及報告問題;缺少對分部信息的披露;現行財務報告是標準化的通用報告,這難以滿足財務信息使用者對信息需求的多性和特殊性要求;現行財務報告計量基礎單一,不能完整地反映經濟現實;市場價值計量基礎的運用面狹窄;現行財務報告重法律形式,輕經濟實質;時效性不強等等。
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