unbiased estimator 中文意思是什麼
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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。 -
Robustness of minimum norm quadratic unbiased estimator of variance for the general linear model
一般線性模型下方差最小范數二次無偏估計的穩健性 -
Robustness of minimum norm quadratic unbiased estimator of variance under the general linear model
一般線性模型下方差的最小范數二次無偏估計的穩健性 -
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。 -
This paper studies mainly the theories of the semi - parametric regression model : ( 1 ) under proper conditions, using random weighted way to the estimator of the error density f ( x ) of the semi - parametric regression model, this paper proved the strong and weak consistent and the asymptotic unbiased property of the weighted kernel estimation fn1 ( x ) of the f ( x )
本文對半參數回歸模型：主要做了以下三個方面的理論研究： （ 1 ）將隨機加權法應用到半參數回歸模型的誤差密度f （ x ）的估計當中去，在適當的條件下，證明了誤差密度的加權核估計（ ? ） _ （ n1 ） （ x ）的強相合性、弱相合性及漸近無偏性。 -
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。 -
Abstract : the generalized shrunken prediction of finite population is introduced, using generalized shrunken least squares estimator of linear regression models. with respect to prediction mean squared error, a necessary and sufficient condition for superiority of a generalized shrunken prediction over the best linear unbiased prediction is obtained. in the case of linear combination of every unit index, a linear restricting prediction is introduced and then a necessary and sufficient condition for superiority of linear restricting prediction over the best linear unbiased prediction is devived
文摘:利用線性回歸模型的廣義壓縮最小二乘估計，引入了有限總體的廣義壓縮型預測，在預測均方誤差意義下，得到了廣義壓縮型預測優于最佳線性無偏預測的一個充分必要條件；在只能得到每個個體指標的線性組合時，引入了一種線性約束型預測，並得到了線性約束型預測優于最佳線性無偏預測的一個充分必要條件 -
While not all useful estimators are unbiased, virtually all economists agree that consistency is a minimal requirement for an estimator
計量經濟學家一致同意，一致性是對估計量的最低要求。 -
Minimum variance unbiased estimator
最小方差非偏估計 -
Based on wavelet analysis, wls is the best linear unbiased estimator of regression model parameters in the context of l / f noise
基於小波技術的wls法是具有1 f噪聲的系統回歸模型參數的最佳線性無偏估計。 -
The results indicate that if all the investors all full rational, the equilibrium price, whether using close call auction or open call auction, is the unbiased estimator of the risky assets true value
研究結論表明，若所有的投資者都是理性的，無論採用封閉式集合競價還是開放式集合競價，那麼均衡價格均是風險資產真實價值的無偏估計量。 -
A verification technique, which obtains unbiased estimator for the means and variance of several global and local features is presented and a matching way after acquiring the threshold by probability density function is achieved
摘要論述了在獲得在線手寫簽名的曲線的一些局部和全局特徵的平均值和方差的無偏估計的基礎上，通過概率密度函數進而獲取閾值進行匹配的鑒別方法。 -
If we are presented with an estimator that is both linear and unbiased, then we know that the variance of this estimator is at least as large as that from ols
如果有人向我們提出一個線性無偏估計量，那我們就知道，此估計量的方差至少和ols估計量的方差一樣大。 -
Is it possible for an estimator to be unbiased but inconsistent
是否有可能（一個估計量）是無偏卻不一致的？
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