XP · 2020年05月13日
问题如下：
Why does a variable with a large variance inflation factor indicate that a model may be improved?
选项：
解释：
When a variable has a large VIF, it is highly correlated with the other variables in the model. The parameter on this variable is usually poorly estimated, and so dropping it tends to have little impact on the fit of the model.
variance inflation factor
请问这个概念是在讲义的哪一页出现过啊？完全没印象了
NO.PZ2020010801000031 问题如下 Why es a variable with a large varianinflation factor incate tha mol mimprove When a variable ha large VIF, it is highly correlatewith the other variables in the mol. The parameter on this variable is usually poorly estimate anso opping it ten to have little impaon the fit of the mol. 这个知识点在新考纲范围内吗
NO.PZ2020010801000031 问题如下 Why es a variable with a large varianinflation factor incate tha mol mimprove When a variable ha large VIF, it is highly correlatewith the other variables in the mol. The parameter on this variable is usually poorly estimate anso opping it ten to have little impaon the fit of the mol. RT
