本文运用SAS软件中的二次响应面回归和聚类分析方法，研究了抑郁症临床症状与事件相关电位之间的相互关系。
In this paper, we study the correlativity between depressive clinical symptoms and event related potentials by the methods of response surface and cluster analysis in SAS.
非线性回归和二次响应面模型。
在单因素试验基础上，利用二因素中心组合设计原理及响应面法分析建立二次回归模型。
Based on the results of single-factor experiments, a quadratic regression model was established with the help of two factors central composite experimental design and the response surface method.
在单因素试验基础上，利用二因素中心组合设计原理及响应面法分析建立二次回归模型。
Based on the results of single-factor experiments, a quadratic regression model was established with the help of two factors central composite experimental design and the response surface method.
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