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Stata:如何进行分组回归后组间差异系数检验 分组回归后组间差异系数检验在 stata 中实现主要包括如下三种方法: 1、引入交叉项(Chow 检验) 2、基于似无相关模型的检验方法 (suest) 3、费舍尔组合检验(Permutation test) 1、suest方法 webuse income regress inc edu exp if male estimates store Male regress inc edu exp if !male estimates store Female suest Male Female test [Male_mean = Female_mean] test [w_mean]edu = [b_mean]edu test [Male_mean]exp = [Female_mean]exp test [Male_mean]edu -[Female_mean]edu =0 test [Male_mean]exp -[Female_mean]exp=0 结果为: regress inc edu exp if male Source | SS df MS Number of obs = 110 -------------+---------------------------------- F(2, 107) = 20.05 Model | 639.919043 2 319.
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