- 更多网络例句与加权抽样相关的网络例句 [注:此内容来源于网络,仅供参考]
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There are two findings summarized from previous studies:(1) the least squares estimator is a common choice of researchers, but under an unequal probability design, the estimator is biased,(2) the probability weighted estimator is consistent but may have a large variance.
过去的研究发现:(1)在不等机率抽样时,一般常用的最小平方法所得到的回归参数估计式并非不偏估计式;(2)机率加权最小平方法可以改善不偏性,然却增加估计的变异程度。
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A sampling inspection method of Binomial distribution based on sequential posterior odd test was discussed in detail, which was used to the test for torpedo system.
Bayes理论是分析研究具有小子样特点鱼雷可靠性的有效方法,文中基于序贯验后加权检验的思想,给出针对二项分布的抽样检验基木方法,并将其应用在鱼雷系统抽样检验试验中。
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The simulation results show that probability weighted least squares estimator and Quasi-Aitken weighted least squares estimator are unbiased estimators of regression coefficients.
研究方法系采用Monte Carlo模拟方式模拟比较最小平方法、分层加权最小平方法、机率加权最小平方法及Quasi-Aitken机率加权最小平方法在分层不等机率抽样下的表现。
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In chapter 10, we propose the random weighting approximation method for distribution of sample mean under simple random sampling in one-dimensional finite population.
第十章 将随机加权法首次应用到简单随机抽样方案下的样本均值分布逼近问题中,从数字特征角度说明了随机加权方法在抽样理论中的可用性,从而拓广了随机加权法的应用范围。
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Its main characteristics are on-line processing, slip weighted average sampling followed by linear fitting, and automatic correcting of K values.
其主要特点是在网上处理,防滑加权平均抽样其次是线性拟合,和K值自动纠正。
- 更多网络解释与加权抽样相关的网络解释 [注:此内容来源于网络,仅供参考]
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importance sampling:重要抽样
内容: 着重介绍了蛋白质的二级结构预测(α螺旋和β折叠). 用重要抽样(Importance Sampling)得到J(y)的近似. 思想是:首先利用g(x)的近似I(x)得到随机样本,其中I(x)的随机样本比较容易得到;然后利用加权平均得到J(y)的近似.
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Westenberg's interquartile range test:内四分位数全距检定
加权抽样 weighting sampling | Westenberg内四分位数全距检定 Westenberg's interquartile range test | 白(杂)讯 white noise
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weighted sampling:加权抽样
variation 变差 | variability 变异性 | weighted sampling 加权抽样
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well-defined:梅的
weighted sampling 加权抽样 | well defined 梅的 | well order 良序