lbww77252020-11-11 14:03:01
为了检验single partial slope coefficient in a multiple regression with 3 independent variables, we use a critical t with degrees of freedom equal to the sample size minus four(n-4)这个怎么理解?
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Jenny2020-11-11 14:09:25
同学你好,在多元线性回归中,t统计量的自由度是n-k-1,n是样本数量,k是自变量个数,这里也就是n-k-1。
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