In studies with small sample sizes, imbalances between the two groups can easily occur despite randomisation .
在小样本研究中,尽管采用了随机法,但两组间偏倚还是很容易发生的。
A cellphone's effect on the brain is very weak, so you lose statistical power with small sample sizes and durations, "said Volkow."
手机对大脑的影响很微弱,因此,仅在短期内对少数人进行研究,在统计学上不具备说服力。
Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rates.
在进行小尺寸样品或者慢加热速率的量热学实验时,常常需要使用微热量测量技术。
There are several limitations in this study as it is designed as a cross-sectional study with small sample size in stratified analysis.
1本研究因其采用横断面设计且亚组样本量小而具有局限性。
However, there's bias in the report. The research with small sample size negates a generation of the only children is an overgeneralization.
但是,报告也有偏颇之处,小样本量的研究并不能以偏概全,从而否定一代独生子女。
The local interventional chemotherapy is apprved in some studies with small sample, but still lacks of large sample randomized controlled study to confirm.
局部介入化疗在小样本的研究中获得肯定,但仍缺乏大样本随机对照研究予以证实;
Maintainability evaluation with small sample size frequently appears in equipment evaluation, so it is necessary to establish an effective evaluation method.
小子样维修性评估在装备评估中频繁出现,需要建立一种有效的评估方法。
Simulation results show that LS-SVM reduces calculating complexity with high calculating speed. And it also has good generalization ability with small sample.
仿真结果表明,最小二乘支持向量机降低了计算复杂度,且有较快计算速度,在小样本情况下具有良好的泛化能力;
The sample size is of course very small, with specimens rare and samples for experimentation rarer.
样本当然非常小,因为标本很少而能用来做实验的样本就更少了。
This is hardly definitive, given the small sample, but it does caution against jumping to the conclusion that economists are biased simply because of their relationships with firms.
由于样本数目小,只能当做参考,但还是比仅仅因为他们同公司间的关系就歧视他们要谨慎。
However, given the small sample size and limited nature of the population studied, naturally these results should be taken with a grain of salt until replicated by other researchers.
但因研究对象范围小以及研究对象的局限性,在有其他研究者进行此研究前,对此研究结果应持谨慎态度。
Twelve times over the next two weeks, most of these children were presented with a small sample of their target vegetable and encouraged to eat it.
在接下来的两周十二次试验里,小孩们会被鼓励去吃他们。
Listing 1 is a sample Sitemaps 0.90 file which lists four pages of a small Web site with all the required attributes for every one of the four pages.
清单1是一个简单的Sitemaps 0.90文件,其中列出了一个小型Web站点的四个页面,每个页面都有所需的所有属性。
starting with automation – try a small sample project, plan upfront, don’t postpone or delegate, avoid automating existing manual scripts, gain trust with UI tests
从自动化开始,使用小的试验项目,事先计划好,不要推迟或者委派,避免自动化现有的手动脚本,从UI测试中获取信任。
Compared with statistical theory, statistical learning theory focuses on the machine learning of small sample size and can trade off between the complexity of models and generalization performance.
与传统统计学相比,统计学习理论是一种专门研究小样本情况下机器学习规律的理论。
However, the firm said that the data still has to be interpreted with caution given the small sample size.
但是,该企业也说因为现在的样本量仍较小,对数据的解释还是应该谨慎进行的。
According to the researchers, the slight drop in survival in people with the highest CCFs was likely due to the small sample size of the study.
在研究者看来,拥有最高CCF指数的病人存活率反而有略微下降可能是由于研究样本量过小造成的。
When solving this small sample problem with high dimension and nonlinear, many traditional pattern recognition methods will tend to occur overfitting phenomenon.
对于这样一个高维数、非线性的小样本问题,许多传统的模式识别方法都容易出现过学习或欠学习现象。
To improve the detection rate of MB1 steganography based on noisy small sample sets, a steganalysis method with high generalizability is proposed.
为了提高针对混杂小样本集的MB 1隐写算法的检测率,提出了一种泛化能力较强的MB 1隐写分析方法。
Therefore the hypothesis only was the part confirmed, this perhaps was small related with this research sample choice.
因此研究结果只是部分证实了研究假设,这或许与本研究的样本选择以及样本量较小有关。
The present balanced two-layer sample rotation system is applicable only to the monthly survey with two-stage sample designs and with small primary sampling units.
目前的平衡两层次样本轮换模式只适用于一级单元规模较小时的两阶段抽样月度调查。
With respect to the small sample size of some ships, this paper presents a Bayesian method for selecting the ship-board repair parts and spares.
本文针对一些舰艇的小子样特点,推出了确定其备件携带量的贝叶斯方法。
With such small sample sizes the data inputs must be well-defined and perfectly formatted, and the resulting all-encompassing guidelines often fail to account for differences between patients.
在这样的小样本规模系统中输入信息必须被良好地定义和形式化,随之而来的结果便是包含了所有这些信息的治疗准则在解释病人与病人之间的差异时就显得力不从心。
During analyzing and estimating the risk, we often meet with the situation of inadequate sample information and incomplete data, that is, small-sample problem.
在进行风险分析和评估过程中,经常遇到样本信息不充分,数据不完备,即小样本问题。
A small variation of the Verdet constant with temperature that was associated with the volume expansion of the sample was observed.
观测到费尔德常数随温度的微弱变化,而这种变化是同样品的体积膨胀相联系的。
Three small overflow dams with different grade in an urban river were constructed and the water quality in different fixed sample points were periodically monitored.
对人工搭建的三个不同坡度的小型溢流堰堰体上下的水质进行定期监测,考察溢流堰坡度对水体溶解氧和有机污染物浓度的影响。
Though choosing the experimental results as the learning sample, the performance predictive model of EDM micro-and-small holes is proposed, with the BP algorithm of artificial neural network.
采用人工神经网络的BP算法,以电火花微小孔加工工艺参数正交实验的结果作为神经网络的学习样本,建立电火花微小孔加工多目标工艺参数的预测模型。
You'll be better off with a small but carefully structured sample rather than a large sloppy sample, " he says."
从小型但仔细塑造出来的样本入手可以省去很多麻烦,不能囫囵吞枣一味求大。
You'll be better off with a small but carefully structured sample rather than a large sloppy sample, " he says."
从小型但仔细塑造出来的样本入手可以省去很多麻烦,不能囫囵吞枣一味求大。
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