Zen2022-09-27 16:04:26
单元回归假设中,独立变量X不随机是什么意思?
回答(1)
Evian, CFA2022-09-27 20:11:52
ヾ(◍°∇°◍)ノ゙你好同学,
对于自变量的假设是:
Independent variable, X, must not be random; that is, it is non-stochastic. If the independent variable is random, there would be no linear relation between the dependent and independent variables.
也就是说X自变量如果是随机的,我们会找不到X和Y之间的线性关系。
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