第三部分：研究样本设计与变量选择。
这一次，请同时为输入和输出变量选择rate2。
This time, select rate2 for both the input and output variables.
统计方法采用逐步向前变量选择协方差分析。
Covariance analysis with forward stepwise variable selection was carried out.
提出了非线性计量经济建模变量选择的一种方法。
This paper describes a variable selection method of nonlinear econometric modeling.
变量选择和变换选择是线性模型中的两个不同的问题。
Variable selection and transformation selection are two different problems in the linear model.
这也有助于在迁移存储过程和触发器时为临时变量选择合适的数据类型。
This is also useful to find appropriate data types for temporary variables while porting stored procedures and triggers.
讨论高能多粒子产生反常标度性研究中的各种相空间变量选择。
The different choices for phase space variables in the study of anomalous scaling in high energy multiparticle production are discussed.
波段选择也属于变量选择，它是用选出来的波段代替全波段建模从而改善模型的性能。
Wavelength selection methods are variable selection techniques that allow calibration models to be constructed with a subset of spectral points instead of with the whole spectrum.
变量选择在统计建模过程中是极其重要的问题，但传统的变量选择方法却存在一些不足。
Variable selection in statistical modeling process is an extremely important issue, but there are some drawbacks in the traditional variable selection methods,.
同时，一致关联度算法可以准确的提取变量间的相关性，是一种有效的辅助变量选择方法。
Meanwhile, uniform incidence degree arithmetic can exactly obtain the correlation between variables, which is an effective way to select secondary variables.
该方法有明确的理论依据，并具有很强的可操作性，是一种比较科学系统的输入变量选择方法。
This approach has clear theory foundation and very strong maneuverability, and it is a systemic and scientific method for input variables selection.
建立定量构效关系模型第一步是计算大量的分子描述符，下一步则是对这些描述符进行变量选择。
The first step in building a QSAR model is to calculate a great number of molecular descriptors, then the second is to select the descriptors most correlated to the studied object.
本文提出了一个以信息过载为中介变量的概念模型，并设置操作变量选择样本进行调查和统计分析。
This paper proposes a conceptual model with information overload as an intervening variable and some operational variables to conduct sample investigation and statistical analysis.
在为shell变量选择名称时，应该避免使用这些关键词（也称为bash shell保留字）。
You should avoid these keywords—or what are known as bash shell reserved words—when choosing names for shell variables.
第一阶段，将模糊分类系统的前件和输入变量编码为一个个体，实现了输入变量论域的动态划分和输入变量选择。
In the first step, the antecedents of fuzzy classification system and input variables are coded into a binary string and treated as an individual in genetic algorithm.
根据纹理特征的局部马尔可夫性和高斯变量的条件回归之间的关系，将复杂的模型选择转变为较简单的变量选择，应用惩罚正则化技巧同步选择邻域和估计参数。
The structure of the GGM is explored by the connection between the local Markov property of texture features and the conditional regression of Gaussian random variables.
必须选择枢轴行，以便所有其他基本变量保持正数。
The pivot row must be selected so that all the other basic variables remain positive.
但在一个数据集中，你可以通过许多不同的格式查看数据，并且从一系列不同的变量中作选择。
But within one data set you can view it in a number of different formats and select from a range of different variables.
为每个视图组件选择相应的实例变量。
Select for each view component the corresponding instance variable.
但是通常来说，变量名称的选择，是评论你的代码的，一个重要方式。
But in general, the choice of variable name is a great way of commenting your code.
选择变量以及相应的值以符合您的系统和环境。
Choose the variables and their values to fit your system and environment.
选择描述您的变量或输入消息类型的WSDL文件。
Select the WSDL file describing your variable or input message type.
当然，您还可以创建一个全局的脚本，并使用条件和环境变量HOSTNAME以选择合适的设置。
Of course, you can also create a global script and use conditionals and the environment variable HOSTNAME to choose the appropriate settings.
第二个编程优秀风格就是,变量名称的选择。
Second good piece of style here is choice of variable names.
变量也可以被用户选择(例如，保存更改或取消)。
The variable can also be a selection that the user can make (for instance, Save changes or Cancel).
如果您有多个变量，您可以选择一个使用。
If you had multiple variables, you can select which ones to use.
也许您更愿意对原来的节点集排序，将排序后的节点存储到变量中，然后选择前十个成员。
You might prefer to sort the original node-set, store the sorted nodes in a variable, and select the first ten members of the sorted set.
在这里，您要使用CLEARCASE_DLVR_ACTS环境变量来决定选择了多少个U CM活动从开发流程处交付。
Here, you use the CLEARCASE_DLVR_ACTS environment variable to determine how many UCM activities have been selected to deliver from development stream.
稍后您就可以通过为每一个变量点选择执行哪一个变量，来生产每一个产品。
You can later generate each product by selecting which variant to implement for each variation point.
实例变量的选择可以通过说明由分析过程生成的中间值和汇总值来确定。
The selection of instance variables can be determined by noting the intermediate and summary values to be generated by the analytic procedure.
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