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当前学科:第一节对外贸易管理概述
题目:
单选
在多共线性比较严重的情况下,可以采取下列哪种方法来加以消除?()
A . 改变导致多共线性的自变量的参数
B . 延长数据观察的长度
C . 放弃导致多共线性的自变量
D . B或C
答案:
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