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设虚拟变量D影响线性回归模型中的截距,如何引进虚拟变量,使模型成为截距变动模型
分类:
计量经济学(00142)
发表:2024年08月15日 10时08分19秒
作者:
admin
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设虚拟变量D影响线性回归模型中的截距,如何引进虚拟变量,使模型成为截距变动模型
A、直接引进D
B、按新变量DX(下标i)引进
C、按新变量D+X(下标i)引进
D、无法引进
【正确答案】:A
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