• 权数方法与重抽样方法类似也是利用计算机优势通过重复获得不同的子样本的权数估计目标参数的估计量方差估计量一种稳健、通用、有效方差估计方法。

    Replicate weight, which is similar with replicated sample method, gets a lot of replicated weights to obtain the estimators by computer, it is also a robust, common and effective method.

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  • 为了证明ols估计渐近有效的,我们需要(1)给出一致的估计证明更大方差

    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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  • 方法依据极大似然原理来自不同母体(均值相同方差不同)随机样本有效融合得到新的母体均值估计

    According to maximum likelihood theory, it fuses random samples coming from different matrix (same mean different variance) in an effective way, and gains a nwe estimator of matrix mean.

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  • 这种方法反射系数估计最小误差方差性质。

    The estimator got from this algorithm has the smallest variance of error among all linear estimators of reflection coefficients.

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  • 应用极值理论通过极值指数估计量,提出可行的方差检验方法

    One kind of heteroscedasticity testing method was proposed through extreme value theory and extreme value index estimator.

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  • 给出参数回归模型估计偏差渐近方差适当条件下利用大小分块的思想获得估计量的渐近正态性。

    Given the asymptotic bias and the asymptotic variance of estimation, moreover obtained the asymptotic normality of the estimation under certain condition using small-block and large-block arguments.

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  • 给出参数回归模型估计偏差渐近方差适当条件下利用大小分块的思想获得估计量的渐近正态性。

    Given the asymptotic bias and the asymptotic variance of estimation, moreover obtained the asymptotic normality of the estimation under certain condition using small-block and large-block arguments.

    youdao

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