介绍样本选择模型及其估计方法。
To introduce sample selection model and its estimation method.
第三部分：调查问卷的设计和样本选择。
Part three: the design of the questionnaire and the selection of sample.
提出了一种大规模数据集的训练样本选择方法。
A new method is proposed for sample selection in large data set.
本文主要从训练样本选择和预测算法两个方面进行了研究。
The paper studied Ultra-short term the load forecasting from two aspects:data preprocessing and forecast method.
本章首先对研究所需的资料来源、样本选择过程做了解释和阐述。
First of all, we introduce the materials' source and the process of samples selection.
以入侵检测系统中的分类器设计为例，研究分类器训练样本选择问题。
Taking the example of designing classifier in intrusion detection system, the selection of training samples for classifier is studied.
应用样本选择模型对模拟数据进行分析，并与传统线性回归模型进行比较。
The missing data were analysed with sample selection model and compared with traditional linear regression model.
第二部分，主要介绍本研究的研究假设、问卷设计及研究对象和样本选择。
The second part, mainly introduces the hypothesis of this study, questionnaire design and research objects and sample election.
在更新话题模型的过程中，尝试确定性和不确定性相结合的方式作为样本选择标准。
In the process of updating topic model, a method combining certainty and uncertainty is used to select samples.
在数据的处理方面，提高了效率，减少了样本选择的偏倚，极大地方便了统计处理。
In the data processing, increased efficiency, reduced sample selection bias, and greatly facilitate the handling of statistics.
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。
Therefore the hypothesis only was the part confirmed, this perhaps was small related with this research sample choice.
结合均匀设计和聚类思想提出的样本优选方法，在一定程度上解决了神经网络样本选择的问题。
Based on uniform design and the cluster theory, a optimum selecting method of sample is proposed to solve the problem of sample selection.
利用UCI标准数据集对本文所提出的样本选择模型进行测试，实验结果证明了该模型的有效性。
The proposed sample selection model is tested on UCI dataset, which proves the efficiency of the model.
本书驳斥了科学和统计样本选择行为中的谬误，后者认为要抵制入侵物种，保护想象中的完美过去。
The book debunks poor science and the cherry-picking of statistical examples to feed hysteria about keeping invasive species out and protecting an imaginary perfect past.
本文综述了国内外近年来近红外定量分析样本选择理论的研究状况，对相关方法的优缺点进行了比较。
We had a review on sample selection theoretics of near infrared spectroscopy quantitative analysis and compared some methods' characteristic with each other.
按照案例研究的规范提出案例研究的设计思想、目标、样本选择，并论证本案例研究的规范和结论有效性。
According to the case study criterion, we present its design ideas, purpose and sample selection, and demonstrate the criterion of the study and the effectiveness of conclusions.
论文针对KNN这种常用的文本分类方法，分析了什么是它的典型样本，提出了一种基于密度的样本选择算法。
In the paper, what is the typical sample of KNN is analyzed, and a method of samples selection based density is presented.
本文的研究分为五个部分：导论、资金占用行为概述、样本选择与描述性统计、实证检验与结论、结论与建议。
This study is divided into five parts: Introduction, summary of capital occupying, the sample selection and descriptive statistics, empirical testing and conclusions, conclusions and recommendations.
非观测效应，以及样本选择偏差和测量误差所引发的内生性问题对结果的影响很大，导致普通最小二乘法低估了我国的教育收益率。
The study also finds that unobserved effects, sample selection bias and measurement errors play important role on results, and OLS really underestimates yield of schooling.
同时，在模糊C-均值聚类基础上选择训练样本比起直接基于真实地物图选择，减少了主观因素对训练样本选择的影响，因此取得了更高的分类精度。
Selecting train sample on the basis of fuzzy C-mean clustering decreased subjective factor affecting selecting train sample, so higher classification accuracy can be achieved.
然而，在一半的试验中，这些是未被选择的果酱或茶的样本。
On half of the trials, however, these were samples of the non-chosen jam or tea.
如果您为这个练习在项目中创建了一个模版，那么您要么选择一个样本模版，要么选择您自己的模版。
You can select either a sample template or your own template, if you have one in the Web project that you created for this exercise.
而且，我们可以选择生成一个代理或一个样本应用程序，这对于测试的目的是有用的。
Furthermore, we can select to have a proxy and a sample application generated, which is useful for testing purposes.
注意：发现和选择机制样本给出的指示表明它们实际上什么也没做。
Note the indication given by the sample discovery and selection mechanisms that they are really doing nothing.
下面的图表和代码样本显示了当 PA选择显示差事选项时实际发生的事情。
The following chart and code samples show what really happens when the PA selects the option to display the errands.
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.
选择了WSDL文件并创建了样本应用程序之后，我们就单击Finish。
Once we select the WSDL file and create a sample application, we will click on Finish.
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.
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.
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