不放回抽样是一种抽样方法,它是在逐个抽取个体时,每次被抽到的个体不放回总体中参加下一次抽取的方法。采用不重复抽样方法时,总体单位数在抽样过程中逐渐减小,总体中各单位被抽中的概率先后不同。不放回抽样也指整个样本一次同时抽取的抽样方法。
... [统计] nonrepeated sampling 简单不重复抽样 simple sampling without replacement 不放回抽样 Sampling without peplacement ...
基于496个网页-相关网页
... 不公正钱币:loaded coin 不放回抽样:No replacement of samples 不反射的:irreflexible ...
基于8个网页-相关网页
... woofer 低音杨声器低音喇叭 WOR Sampling withOut Replacement 不放回抽样,不重复抽样 word address 字地址 ...
基于2个网页-相关网页
针对现有基于混沌序列的图像加密算法的缺陷,提出一种基于不放回抽样的图像混沌加密算法。
Aiming at defects which are exiting in image encryption algorithm based on chaotic sequences, this paper proposes an image chaotic encryption algorithm based on sampling without replacement.
对简单随机不放回抽样,在总体非敏感属性个体比例未知的情况下,给出了两个子样本容量的最优配置。
Under simple random sampling scheme without replacement and unknown proportion of population possessing neutral attribute, the optimal allocation of sizes of two sub-samples is given.
对有限总体在不放回抽样的方法下,构造了一类非线性回归估计量,讨论了它的性质及其有关抽样误差.。
A kind of nonlinear regression estimator for limited Population is given and the quality and the sampling variance about is discussed.
应用推荐