unbiased variance 中文意思是什麼
unbiased variance
解釋
無偏方差-
Variance and covariance components of each effect were estimated by minimum norm quadratic unbiased estimation ( minque ) method
用minque法估計各項效應的方差和協方差分量，用aup法預測隨機效應。 -
All these estimates are feasible unbiased estimates. we use the quotient of the determinant of the variance - covariance matrix of the feasible unbiased estimates, that is, a kind of relative efficency to compare these esti - mates. the results have instructive significance for practice
我們應用這些估計的協方差陣的行列式之商，即一種相對效率比較了這些估計的優劣，所得結果對實際應用具有一定指導意義。 -
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 -
Based on the linear unbiased minimum variance estimation theory, an asynchronous fusion algorithm that fused the state vector of linear system with arbitrary correlated noises is developed
摘要基於線性無偏最小方差估計理論，提出了一種任意相關雜訊線性系統非同步狀態向量融合演算法。 -
The estimation by the formula is unbiased and with the least variance, many data processing show, the application of the method can gain higher precision of concrete strength value of the formula than in traditional method
大量試驗數據處理表明，利用本文公式推定混凝土強度值比傳統方法具有更高的精度。 -
Uniformly minimum variance unbiased estimate
方差一致最小無偏估計 -
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。 -
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。 -
Extension of the uniformly minimum variance unbiased estimation of a class of multivariate linear model
一類多元線性模型的一致最小方差無偏估計的推廣 -
Minimum variance unbiased estimator
最小方差非偏估計 -
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。 -
Traditional research has put much effort on finding the unbiased and less - constricted parameters of mean - variance ( m - v ) portfolio theory. on one hand mean - variance is perfect in its mathematic sense
本論文主要目的是利用再抽樣方法改進傳統均值-方差模型，以使其得到更大的實際應用。 -
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。
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