据我们所知,这是第一个基于全国代表样本的麻疹病例病死率研究。
To our knowledge, this is the first CFR study based on a nationally representative sample of measles outbreaks.
针对中文网页分类问题该文设计了一种新的基于代表样本动态生成的分类算法。
A new algorithm based on representative samples dynamical generation for Chinese Web page classification was proposed in this paper.
数值代表样本间的距离。不同的颜色表示不同的样本。样本间距离越近,表示样本基因的表达趋势比较类似。
The values stand for the distance of samples. Different color represents different sample. The closer the distance of samples is, the more similar the expression.
皮尤研究中心对全国范围内具有代表性的1807名父母组成的样本进行了调查,发现课外活动反映了育儿方式的差异。
Extracurricular activities reflect the differences in child rearing in the Pew survey, which was of a nationally representative sample of 1,807 parents.
它匹配了用户的声音模式,以记录代表14种不同情感类型的语音样本。
It matches the user's voice patterns to recorded speech samples that represent 14 different emotional categories.
一个差劲的采样策略并不能产生一个我们需要的代表总体的样本,而统计管理不太可能弥补这一点。
And statistical controls are unlikely to compensate for a poor sampling strategy that does not yield a sample representative of the population to which we want to generalize.
研究的另一个缺陷在于,研究所针对的烟草品牌并没有严格按照市场份额来挑选,或者说这些挑选的烟草品牌不足以代表不同的焦油含量。相反,这些烟草品牌全是简易样本。
Another limitation is that brands for this study were not selected strictly on the basis of market share or to represent a broad range of tar yields, but rather were a convenience sample.
每个国家的样本别设计用来做全国的典型,并代表全世界96%的人口。
The samples in each country were designed to be nationally representative and represent about 96 percent of the world's population.
调查根据美国人口普查的数据进行加权处理,以确保样本组成能够代表美国实际人口组成。
The data were weighted to ensure that the sample's composition reflects that of the actual U.S. population according to U.S. Census figures.
第二个要问的问题是,样本是否有代表性?明白我的意思吗?
The second question to ask is whether the sample is representative? See what I mean?
在这样的情况下,数据分析师必须从现有的测试数据或生产数据生成有代表性的数据样本。
In such cases, the data analyst must build representative data samples from existing test data or sample the production data.
首先我们需要一个具有代表性,并且公正的新闻报道样本,所以我们持续一个星期每天购买英国前10名最畅销的报纸。
First, we needed a representative, unbiased sample of news stories, so we bought every one of the top 10 bestselling UK newspapers, every day for one week.
这个简单事务使数据样本能够代表典型用户在使用系统时体验到的情况。
The simple transaction makes the data sample representative of what a typical person using the system would experience.
早期的观察结果具有一定的代表性,但样本空间较小。
Early observations were assumed to be representative, but were based on small samples.
样本的代表性如何?
我们问的第二件事,就是样本的代表性。
The second thing we ask is how representative is the sample.
盖洛普世界民意调查从2005年到2006年间,对132个国家民众的代表性样本就广泛的问题进行了调查。
The Gallup World Poll conducted surveys on a wide range of subjects in a representative sample of people from 132 countries from 2005 to 2006.
这个研究中数据来源于英国家庭状况调查,它是一个对有代表性的英国家庭样本的年度调查。
For this study, the investigators gathered data from the British household Panel Survey - a yearly questionnaire of a nationally representative sample of UK households.
该研究的发起者在过去四年间观察了全国有代表性的近22,000名儿童的样本。
The study authors looked at a nationally representative sample of almost 22, 000 children over four years.
如果样本人群具有统计学上的代表性,那么根据理论这种方式将会表达人群的真实想法。
If the samples are statistically representative, that should, so goes the theory, give a credible picture of what the entire population would think, were it as well-informed.
不是每个流鼻涕的人都需要接受检查——只要有一小份具有代表性的样本就行了。
Not every person with a sniffle need be tested-only a small, representative sample.
研究人员选取了1,398个18岁以上的人作为代表性样本进行研究。
The findings were based on a representative sample of 1, 398 people over age 18.
使用电子数据库和电话号码簿随机选择样本,以保证样本可代表澳大利亚各州和地区。
The sample was randomly selected using an electronic database and printed telephone directories to ensure sample representativeness from all Australian states and territories.
再次,样本有代表性吗,或者其中有偏见吗?
Thirdly is the sample representative or is there a bias in it due to whatever.
当我们看样本代表性的时候。
That's coming when we look at the representative of the sample.
然后再选取有代表性的客户样本,举行一些开放式的访谈,以较为松散的方式观察他们的现场反应。
Then do some open-ended interviews and unstructured live observations with a representative sampling of your customers.
或者如果他们都在24岁以下,如果他们都是很人,或者怎么样,你要知道如果选择的样本,是否能够代表整个人群。
or if they were all under 24 or if they were all black or whatever, you need to know if the sample chosen is representative of the population as whole.
这项“地球人的首个代表性样本”,作者写道,“被用于探寻为什么‘幸福’与高收入相关的原因。”
This "first representative sample of planet earth," the authors wrote, "was used to explore the reasons why 'happiness' is associated with higher income."
这项“地球人的首个代表性样本”,作者写道,“被用于探寻为什么‘幸福’与高收入相关的原因。”
This "first representative sample of planet earth," the authors wrote, "was used to explore the reasons why 'happiness' is associated with higher income."
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