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- Futures price is the unbiased estimate of expected spot price, which is based on the function of risk transferring. 期货价格是未来现货价格的无偏估计,这是建立在风险转移功能基础之上的。
- This article plans to use the Warner model randomization technology to solve this problem. Proof and the formula on unbiased estimate and the sample size are given. 运用沃纳模型(Warner model)随机化回答技术解决这一问题;并就该方法给出了无偏估计的证明和样本量的计算公式.
- 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准则思想的启发下,将应该同属于一个分类的数据看作是在某一分布中抽取的样本,从而通过求Kullback-Leibler信息量的渐近无偏估计而达到确定类数与数据分类的目的。
- Based on the unbiased estimate of realized variance under serially correlated noise proposed by Hansen &Lunde (2004b), we went a further step by deducing a measure of variance of noise. 本文基于Hansen &Lunde(2004b) 给出的在噪声序列存在相关性假设下的一种关于RV 的无偏估计, 进一步地推导出一种在此情形下估计噪声方差的方法。
- This allows us to choose the best estimator among all, or at least a broad class of, the unbiased estimators. 了解这一点(分布的分散程度),将对我们如何能够在所有的估计量中,或至少在无偏估计量这一类估计量中选出最优的一个具有一定的指导意义。
- Uniformly minimum variance unbiased estimate 方差一致最小无偏估计
- Uniformly minimum variance unbiased estimate, 方差一致最小无偏估计
- Minimum norm quadratic unbiased estimate 最小范数二次无偏估计
- When Gauss-Markov assumptions hold, we need not look for alternative unbiased estimators. 当高斯-马尔科夫假定成立时,我们不需要再去找其它无偏估计量了。
- the uniformly minimum variance unbiased estimate 一致最小方差无偏估计
- the best linear order statistics unbiased estimate 最佳线性次序统计量无偏估计
- A new method for unbiased estimating standard deviation of strength of concrete of inspected lot is proposed in this paper. 给出了一种混凝土验收批强度标准差的无偏估计方法。
- admissible linear unbiased estimate class 可容许线性无偏估计类
- Unbiased estimators are not necessarily consistent, but those whose variances shrink to zero as the sample size grows are consistent. 无偏估计量未必是一致的,但是那些当样本容量增大时方差会收缩到零的无偏估计量是一致的。
- A more accurate and unbiased estimation of case fatality for SARS can be obtained with a third method, survival analysis. 一种对SARS病例病死率更准确和广为接受的估计可以用第三种方法即生存分析得到。
- Then an adaptive, efficient unbiased estimator of Hurst index based on multiresolution wavelet analysis and weighted regression is presented. 针对基于小波的Hurst指数估计方法的自适应问题;结合方差分析给出了一种有效的解决方法;从而提出了自适应的参数估计方法;并且该方法在一般意义上是无偏的.
- minimax invariant quadratic unbiased estimate 极小极大不变二次无偏估计
- The superiority of Bayes LUE over ordinary best linear unbiased estimator is investigated under mean square error matrix (MSEM)criterion. 英文摘要: The unique Bayes linear unbiased estimator (Bayes LUE) of estimable functions is derived for the singular linear model.
- Thus, it is necessary to investigate the impacts of selection upon linkage analyses in order to obtain unbiased estimates of QTL position and effect. 为获得QTL位置及其效应的无偏估计,有必要研究选择对连锁分析实验所造成的影响。
- The Kalman filter algorithm is derived step by step to obtain the unbiased estimates without making a prori assumption over the distribution of process and measurement noise. 卡曼滤波器演算法无需假设处理误差与量测误差的机率分布,而由逐次输入的量测值得到一无偏差之土壤溼度估计值。