large sample

大样本：在统计学中

常用释义

大样本：在统计学中，渐近理论或大样本理论是评估估计量和统计检验性质的框架。在这个框架中，通常假设样本大小n可以无限增长；然后在n→∞的极限下评估估计量和检验性质。在实践中，极限评估也被认为对于大的有限样本大小是近似有效的。

扩展信息

大样本

（转）统计学词汇 - halen1010的日志 - 网易博客 ... Lag, 滞后 Large sample, 大样本 Large sample test, 大样本检验 ...

近似法

Wilcoxon等级合检定：常态分配近似法(Large Sample)Wilcoxon符号等级检定：成对母体分配是否相同？

例句

The large sample multi-centre randomized controlled trial is the best method of re-evaluation of the effectiveness of new drugs.

大样本多中心随机对照临床试验是药品上市后疗效再评价的最佳方法。

Theresearch shows correlations over a large sample, so it's admittedly asimplification to say that morning people are proactive.

研究表明，绝大多数的样本都显示二者相关，所以简单明了地说，早晨类型的人更积极主动，控制能力更强。

At present, heteroscedastic data can only be analyzed by group test method that requires large sample.

对于异方差问题目前工程上只能采用成组试验方法，因此试验量很大；

in a large sample, many of those differences may cancel, but a sample of two is tiny.

样本比较大的情况下这些差异可以抵消掉，但我们只提两个国家，所以样本很小。

The large sample size enabled researchers to distinguish between psychiatric histories of mothers versus fathers in relation to autism.

这样的大样本使研究者能够区别孤独症患儿的母亲和父亲的精神病史的不同情况。

Randomized controlled trials of large sample size of pressure sore are needed to improve nursing quality.

今后应多开展大样本的压疮随机对照试验，以提高压疮临床护理质量。

Evaluation of the Comparative Method of Two Large Sample Means.

两个大样本均数比较方法的评价。

The customers at the grocery stores represented a large sample of the Danish population, they said.

研究人员称，食品店顾客的饮食习惯在丹麦人口中具有普遍代表性。

He looked at a large sample of public-school children who were asked to name their friends.

他从公立学校抽出一组人数众多的学生群体，让每人列出自己朋友的名字。

Micro-PET can provide for vivo scan and quantitative analysis of the same animal instead of pooling the data from a large sample.

它可以实现对小动物的活体扫描和定量分析，从而取代传统的解剖大量动物进行实验的方法。

Based on the statistics of a large sample of data, the Boltzmann constant is determined at a relative error of 4%.

基于对大量数据的统计分析，计算出了玻尔兹曼常量，与理论值的相对误差约为 4%。

Strengths of the study include the large sample size, involving incident MS cases with age-, sex- and region-matched controls.

该研究的优势在于样本量较大以及包含了年龄、性别及地域等因素匹配的新发 MS 病例和对照病例。

Medical tests on a large sample of GM foods should be conducted.

对大量转基因食物采样应该进行医学检测。

Other further researches depended on the large sample.

其他评价结果尚需大样本的进一步研究。

A further study with large sample is important to evaluate the effect of BCAA on clinical outcome in critically ill patients.

大样本的探究有助于评估支链氨基酸对危重病人临床转回的影响。

The test was standardized on a large sample of students.

那项测验在大型学生样本上进行了标准化。

Do we have considered of all setting in the large sample?

我们在大样本研究中考虑到所有情况了吗？

He starts by canvassing views from a large sample of people.

他从调查一个大的样本人群开始。

更新时间：2025-06-13 17:03