reg tax | F(1, 28) = 3989.11 R-squared = 0.9930 | |||||
gdp | Prob > F = 0.0000 Adj R-squared = 0.9928 | |||||
tax | Coef. | Std. Err. | t | P > t | 95% CI下限 | 95% CI上限 |
gdp | 0.1778613 | 0.0028161 | 63.16 | 0.000 | 0.1720928 | 0.1836297 |
_cons | −2901.125 | 1 .121 | −2.40 | 0.023 | −5373.801 | −428.4497 |