如欲运行本文中介绍的示例,请安装样本数据库。
To run the examples in this article, install the sample database.
如果不进行报告和发布,样本数据就没有什么价值。
The sample data is not worth much without reporting and distribution.
样本数据库是一个简短的图书目录,包括多种园艺书籍。
The sample database is a short book catalog highlighting various gardening books.
您将创建一个样本数据库以及一个包含用户数据的样本表格。
You will now create a sample database and a sample table that contains the user data.
在DB 2中创建一个叫做SAMPLEDB的样本数据库。
研究者承认由于实验样本数量的稀少而导致了统计学上的局限性。
The researchers acknowledged the statistical limitations of the study due to the small sample size.
这二者的改变最终都增加了采集样本数据所需的总时间。
Both of these changes result in an increase in the total time necessary to collect the sample of data.
而且当你所拥有的样本数大于一时,统计学是最有效的帮手。
And statistics work best when you have more than one sample.
如果未提到样本数量,则amepat 将自动计算间隔和样本数量。
If the sample value is not mentioned, amepat calculates the interval and samples automatically.
如果使用样本数据库,那么输出xml的内容可能与这一输出结果有出入。
If the sample database was manipulated, the content of output XML may differ from this output.
在这个样本数据库中,标签,工作类型,工作配置,以及查询都已经设置好。
In this sample database a set of labels, work types, work configurations, and queries are already provided.
不过,它们得到的数据确实与其中一次冬季直升机调查得到的样本数据相当一致。
However, the narwhal measurements do correlate well with one-shot samples taken by winter helicopter surveys.
我能够快速构建一个报表,输出样本数据库中所包含的order表的完整内容。
I was able to build a report quickly that prints out the entire contents of the ORDER table included in the sample database.
查看一下统计样本数量,参考班级中已经就业的毕业生比例,以及他们的工作类型。
Check the sample size, look at the percentage of the class with jobs, and look at what jobs they're getting.
由于本文只是一篇介绍性的文章,而且样本数据偏小,因此这里不打算就此话题展开讨论。
Because this is an introductory article and the sample data is small, the topic is not covered here.
但在实际问题中,样本数通常是有限的,这时原有方法都难以取得理想的结果。
Unfortunately, in practical issues, the number of samples is limited, and then ideal results can hardly be got on the basis of the existing methods.
利用信道频率相关特性降低了算法复杂度,同时解决了算法对样本数的依赖问题。
The algorithm USES the channel correlation in the frequency domain to greatly reduce the computation complexity and the number of required samples.
支撑矢量机是一种能在训练样本数很少的情况下达到很好分类推广能力的学习算法。
The support vector machine is a learning algorithm, which has a good classification ability for limited training samples.
虽然用于研究的样本数量不大,但从分析中可发现,两种谈话治疗疗法的效果相差无几。
The analysis found the two forms of talk therapy to be equally effective, although the number of studies analyzed was small.
有许多 推论统计步骤(根据样本数据估计总体参数的方法)可以被充分利用,但目前却没有应用它们。
An array of inferential statistical procedures (methodologies for estimating population parameters based upon sample data) could be fruitfully exploited, but at present are not being applied.
这就是为什么我那么热衷于comScore混合了固定样本数据和像素数据跟踪的综合方法。
And that is why I am so enthusiastic about comScore's hybrid approach of marrying panel data and tracking pixel data.
实验结果表明,这种方法能在保证整体准确率较高的前提下,有效提高样本数较少类别的分类准确率。
Experimental results show that this method can improve the accuracy of the class with less training data under a high total accuracy.
在本例中,url参数指定了与Cloudscape一起提供的样本数据库,您可能需要修改该值以匹配您的环境。
In this example, the url parameter specifies the sample database provided with Cloudscape and you may need to change the value to match your environment.
研究者发现高水平化学品暴露时,例如制造或使用某种化学品的工人,往往因样本数量太少而无法得到可靠结果。
When researchers can find high levels of exposure-for example, workers in factories that make or use the chemical-the number of subjects is often too small to yield reliable results.
在本文提供的示例脚本中,抽样频率是每2秒抽样一次,这样可以提供快速的反馈,但是在短时间内会产生较多的样本数据。
In the example script provided, the sampling rate is every two seconds, which provides rapid feedback, but generates quite a bit of sample data in a short period of time.
遗憾的是,瑞银没有任何能与这一结果相对照的长期数据(我核查过了),而且由于样本数量很少,结果也可能偏差很大。
Sadly, UBS does not have any long-term data with which to compare this result (I checked), and since the sample is tiny, it may be very biased.
虽然两者在统计学上的区别不是很明显,而且实验样本数量较小(只有14位病人参与该实验),但是,研究者认为实验结果还是很有希望的。
The sample size was small; only 14 patients participated. However, researchers believe their results are promising.
因此,要使用用户名db2inst1和密码ibmdb2连接到样本数据库SAMPLE ,可以在我们的脚本中使用下面这个函数
So, to connect to our sample database SAMPLE with user name db2inst1 and password ibmdb2, we can use the following function in our scripts
事实证明,要想识别这些图像中的文字,你可以对一个机器学习模型进行“训练”,给它一些人们在文字周围画圈或画框的样本数据。
It turns out that to actually find text in these images, you can train a machine learning model where you give it some example data where people have drawn circles or boxes around the text.
事实证明,要想识别这些图像中的文字,你可以对一个机器学习模型进行“训练”,给它一些人们在文字周围画圈或画框的样本数据。
It turns out that to actually find text in these images, you can train a machine learning model where you give it some example data where people have drawn circles or boxes around the text.
应用推荐