- . sysuse auto
- (1978 Automobile Data)
- r; t=0.04 20:11:17
- . reg price mpg weight
- Source | SS df MS Number of obs = 74
- -------------+---------------------------------- F(2, 71) = 14.74
- Model | 186321280 2 93160639.9 Prob > F = 0.0000
- Residual | 448744116 71 6320339.67 R-squared = 0.2934
- -------------+---------------------------------- Adj R-squared = 0.2735
- Total | 635065396 73 8699525.97 Root MSE = 2514
- ------------------------------------------------------------------------------
- price | Coef. Std. Err. t P>|t| [95% Conf. Interval]
- -------------+----------------------------------------------------------------
- mpg | -49.51222 86.15604 -0.57 0.567 -221.3025 122.278
- weight | 1.746559 .6413538 2.72 0.008 .467736 3.025382
- _cons | 1946.069 3597.05 0.54 0.590 -5226.245 9118.382
- ------------------------------------------------------------------------------
- r; t=0.04 20:11:21
- . local vars mpg weight
- r; t=0.00 20:11:27
- . reg price `vars'
- Source | SS df MS Number of obs = 74
- -------------+---------------------------------- F(2, 71) = 14.74
- Model | 186321280 2 93160639.9 Prob > F = 0.0000
- Residual | 448744116 71 6320339.67 R-squared = 0.2934
- -------------+---------------------------------- Adj R-squared = 0.2735
- Total | 635065396 73 8699525.97 Root MSE = 2514
- ------------------------------------------------------------------------------
- price | Coef. Std. Err. t P>|t| [95% Conf. Interval]
- -------------+----------------------------------------------------------------
- mpg | -49.51222 86.15604 -0.57 0.567 -221.3025 122.278
- weight | 1.746559 .6413538 2.72 0.008 .467736 3.025382
- _cons | 1946.069 3597.05 0.54 0.590 -5226.245 9118.382
- ------------------------------------------------------------------------------
- r; t=0.01 20:11:33
要不你发个截图看看或者传一下数据。