此估计量能够达到很好的渐进有效性。
我们的一些竞争对手要求客户估计量。
Some of our competitors require customers to estimate volumes.
估计量是一个随机变量。
我们讨论是否ols估计量满足渐近正态性。
We are discussing whether OLS estimator satisfy asymptotic normality.
是否有可能(一个估计量)是无偏却不一致的?
Is it possible for an estimator to be unbiased but inconsistent?
当估计量无偏时,数字估计值也常叫做无偏的。
When the estimator is unbiased, the numerical estimate is frequently also called unbiased.
以影响函数的有界性来描述估计量的局部稳健性。
The local robustness is described by the bounded Influence Function.
本文指出线性化后的曲线拟合参数不是无偏估计量。
This paper points out that the linearized curve-fitting parameters are not unbiased estimations.
我们还将尝试改进逐路径估计量,以求减小标准误差。
We also try to improve pathwise estimator in order to reduce standard error.
目的是利用该回归曲线的估计量选择窗宽构造置信带。
The aim is to select bandwidth and set up the confidence belt with the estimate of this regression-curve.
这种方法对反射系数的估计量具有最小误差方差的性质。
The estimator got from this algorithm has the smallest variance of error among all linear estimators of reflection coefficients.
在适当的条件下,给出了这些估计量的相合性和收敛速度。
Consistency and convergence rates of these estimators are given under some mild conditions.
第三节给出了本文的主要结果,即各估计量的一致强收敛速度。
In the third section, we have presented the main result of the paper, namely the uniformly strong convergence rates for each estimator.
但是今年年初又将估计量削减至20万吨,理由是国际粮价太高。
But it cut the estimate to 200,000 tons early this year, citing high international food prices.
更加保守的单独估计量是德国,法国,西班牙,意大利和英国所有汽车的总和。
The lower estimate alone is as many cars as there are in Germany, France, Spain, Italy and Britain combined.
对极值指数之矩估计量作了进一步的推广,并证明了其强、弱相合性。
The moment estimators are extended and their strong and weak consistency are proved.
给出了二阶比估计量的偏差、估计量的均方误差以及均方误差的估计。
For the ratio estimate in two-stage sampling, the bias and mean square errors(MES) of the estimater value have been obtained, and the estimater value of the MSE has been given.
当参考文献中所给的林木邻域大小估计量时,这些情况都应当予以考虑。
These conditions should be appreciated when considering estimates of neighborhood size for forest trees given in the literature.
但这种方法进行的参数估计不是无偏估计量,因此其非线性拟合精度较低。
The parameter estimation achieved by this method is not unbiased. The precision of curve fitting is low.
最后根据对前面过程的研究得到了推广矩估计量的平滑估计量的渐近分布。
Finally, the asymptotical distribution of the smoothing estimator related to the extended moment estimator is derived by the study of process before.
因此得到了推广矩估计量的渐近分布,于是证明了推广估计量的渐近正态性。
Then we derive the asymptotical distribution of the extended moment estimator and prove its asymptotically normality.
应用极值理论,通过极值指数估计量,提出了一种可行的对异方差的检验方法。
One kind of heteroscedasticity testing method was proposed through extreme value theory and extreme value index estimator.
对非参数回归曲线提出了一种新的核估计量和窗宽选择方法及修正偏倚置信带。
This paper gives a new kernel estimate, bandwidth parameter and the bias-corrected confidence belt for nonparametric regression curve.
首先提出了基于高频数据的赋权已实现变差估计量和赋权已实现协变差估计量。
Firstly, a weighted realized variance and a weighted realized covariance which are based on high frequency data are put forward.
目的评价由倾向指数方法得到的暴露效果的估计量和统计性质,并探讨其实用性。
Objective to evaluate the statistical property of the estimators on exposure effect and value of propensity score methods in practical use.
对于需要通过抽样调查获得数据的统计指标,简要讨论抽取样本和构造估计量的方案。
As for those statistical indicators needed to use sample survey to attain data this article discusses program of drawing sample and constructing estimator simply.
工程上,可以依据文中提供的结论定量分析威布尔分布形状参数极大似然估计量的精度。
In the practice projects, the precision of maximum likelihood estimation of Weibull shape parameter is quantitatively provided by the conclusion.
利用参数的最佳线性无偏估计量及最佳线性不变估计量,估计出可靠度的近似置信下限。
The approximate lower confidence bound for the reliability of the component is obtained by using Best Linear Unbiased Estimate and Best Linear Invariant Estimate for parameters.
为了证明ols估计量是渐近有效的,我们需要(1)给出一致的估计量但证明它有更大的方差。
To prove that OLS estimators are asymptotically efficient, one needs to (1) present an estimator that is consistent but its variance is larger.
为了证明ols估计量是渐近有效的,我们需要(1)给出一致的估计量但证明它有更大的方差。
To prove that OLS estimators are asymptotically efficient, one needs to (1) present an estimator that is consistent but its variance is larger.
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