reg tax | F(2, 27) = 1924.56 R-squared = 0.9930 | |||||
gdp gnp | Prob > F = 0.0000 Adj R-squared = 0.9925 | |||||
tax | Coef. | Std. Err. | t | P > t | 95% CI下限 | 95% CI上限 |
gdp | 0.2609296 | 0.6320747 | 0.41 | 0.683 | −1.035981 | 1.55784 |
gnp | −0.0832956 | 0.6337976 | −0.13 | 0.896 | −1.383741 | 1.21715 |
_cons | −2929.219 | 1247.333 | −2.35 | 0.026 | −5488.536 | −369.9028 |