文中分析了测井数据的特征提取、数据白化等关键问题，给出的模式识别具有自动筛选变量的功能。
Then the lithofacies database is built up. An analysis of the feature extraction and data Whitening for well log is made, and the pattern recognition given can sercen variables automatically.
将总评分作为因变量，对影响生活质量的因素进行单因素分析和多因素逐步回归分析，筛选主要影响因素。
Univariate and multivariate stepwise regression analysis were performed to assess the factors related to QOL with the total scores as dependent variables, and screen the main factors.
另外，文章在影响因素分析的基础上，进行变量筛选，利用支持向量机方法建立上市公司信息透明度判别模型。
In addition, the author chooses the factor on the basis of influential factors analysis, employ the Support Vector Machine for constructing discrimination model of corporate information disclosure.
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