unbiased estimate 中文意思是什麼

unbiased estimate 解釋
不偏估計
  • unbiased : adj. 沒有偏見的，不偏不倚的，公平的。
  • estimate : vt 1 估計，估算；估價；估量。2 評價，評斷。3 〈古語〉尊重。vi 估計，估價。n 1 估計;預測；〈英國〉...
  1. When the estimator is unbiased, the numerical estimate is frequently also called unbiased.

    當估計量無偏時，數字估計值也常叫做無偏的。
  2. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時，眾多文獻討論了回歸系數陣的各種估計及lse的有效性，本文考慮了當0的情形，給出了回歸系數陣b及其可估參數函數kbl的在矩陣非負定意義下的最優估計（ blue ） ，研究了它的一個最大概率性質，並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件，在此基礎上給出了均值矩陣的最小二乘估計與blue的偏差估計，定義了lse相對于blue的一個相對效率，並給出了它的界。
  3. Futures price is the unbiased estimate of expected spot price, which is based on the function of risk transferring

    期貨價格是未來現貨價格的無偏估計，這是建立在風險轉移功能基礎之上的。
  4. In the sense of mean squares, maximum likelihood estimator, best linear unbiased estimator, taest linear invariant estimator, and good linear estimator are contracted. fourth, proposed and researched the reliability analysis method under the zero - failure data and doof data. based on the part beta distribution as the prior distribution of failure probability p, = p ( t < r, }, hierarchical bayesian estimate method was discussed, obtain the reliability analysis method under the zero - failure data and the doof data

    第四，提出並研究了無失效數據類型和doof數據類型下電連接器的可靠性分析方法，提出了以不完全beta分佈為一級先驗分佈，超參數為[ 0 ， 1 ]上的均勻分佈作為失效概率先驗分佈的多層bayes方法，結合加權最小二乘法解決了產品在無失效數據和doof數據下的可靠性分析問題。
  5. Monte carlo simulations were conducted to study the new approaches of qtl mapping, the results indicated that general least squares ( gls ) method, which was widely applied in mixed linear model, could unbiasedly estimate all genetic main effects, including additive effects, dominance effects and epistatic effects of additive by additive, additive by dominance, dominance by additive, dominance by dominance. the interaction effects between genetic main effects and environments could also be predicted unbiasedly by linear unbiased prediction ( lup ). the heterosis prediction based on qtl effects was also unbiased

    對新提出的qtl分析方法進行了montecarlo模擬研究，結果表明，廣泛應用於混合線性模型的廣義最小二乘法（ gls ）能夠無偏估計加性效應，顯性效應以及加加、加顯、顯加、顯顯上位性效應等各項遺傳主效應；運用線性無偏預測法（ lup ）能夠無偏預測上述各項遺傳主效應與環境的互作效應；基於qtl效應的雜種優勢預測也是無偏的。
  6. In this paper, we utilized the wavelet to estimate cook ' s, friedman ' s and hall ' s projection index, and proved that the wavelet estimator of this projection pursuit indices are mse convergence and asymptotically unbiased., and the wavelet estimator of the ppda index is asymptotically unbiased

    證明了cook投影指標族、 friedman投影指標和hall投影指標的小波估計的漸近無偏性和均方收斂性，投影尋蹤判別分析指標（ projectionpursuitdscriminantanalysis簡稱ppda ）的小波估計的漸近無偏性。
  7. 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樣本，從而通過求kullback - leibler信息量的漸近無偏估計而達到確定類數與數據分類的目的。
  8. Uniformly minimum variance unbiased estimate

    方差一致最小無偏估計
  9. The proposed method can provide unbiased estimate of the ms ' s position. it is characterized by high efficiency and small memory volume requirement

    該方法對移動臺位置的估計是一種無偏估計，具有存儲量小、摘要定位效率高的特點。
  10. Therefore, each sum of squares of deviations is the times of the consisitent and unbiased estimate of variance. so, if the division is reasonable, the sum of squares of deviations attained through the data to be grouped and the one attained through history data should be very close

    這樣，由於每個類內離差平方和為該數據所屬分佈的方差的相合且無偏的估計的倍數，故如果分類合理，則由待分數據得到的離差平方和應與由歷史數據得到的離差平方和相接近。
  11. In this paper, we discussed the procedures of quantiles, maximum - likelihood, probability weighted moments, moments, least square, the best linear unbiased estimate, good linear unbiased estimation, and the best invariant estimate to the parameters of gumbel distribution, then give out the expectation and variance - covariance respectively. we compared the statistical behavior of these eight estimate procedures not only theoretically but also in the monte - carlo simulation

    本文利用分位數法、極大似然法、概率加權矩法、矩法、最小二乘法、最佳線性無偏估計法、簡單線性無偏估計法、最好線性同變估計法對gumbel分佈中的參數進行估計，分別給出了這八種估計量的期望、方差和協方差。
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