【摘要】 本文通过对几种常用主变量筛选方法及其应用特性进行分析可知,在选择主变量筛选方法时,要充分根据回归模型的属性、样本数据的大小、实现的难易程度及各主变量筛选方法的应用特性综合考虑选择合适的方法。更多还原

【Abstract】 This article through analysis the several common primary variable selection methods and its application characteristics,we can find that,it is necessary to select the appropriate method fully based on the properties of regression model,the size of sample data,the implementation of the difficult degree and the application features of primary variable selection methods.更多还原