Some dependent variables, belonging to category ones, served as dummy variables to make the regression result with a positively explanative sense.
自变量中的某些分类变量都采用了虚拟变量的形式，以使回归结果有明确的解释意义。
Some dependent variables, belonging to category ones, served as dummy variables to make the regression result with a positively explanative sense.
自变量中的某些分类变量都采用了虚拟变量的形式，以使回归结果有明确的解释意义。
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