|
| | SepalLength | SepalWidth |
| | (1) | (2) | (3) | (4) |
|
|
| (Intercept) | 6.526*** | | | |
| | (0.479) | | | |
| SepalWidth | -0.223 | 0.432*** | 0.506*** | |
| | (0.155) | (0.081) | (0.103) | |
| PetalLength | | 0.776*** | 0.830*** | 1.048** |
| | | (0.064) | (0.069) | (0.362) |
| PetalWidth | | | -0.312* | |
| | | | (0.154) | |
| SepalLength | | | | -0.313 |
| | | | | (0.239) |
|
|
| Species | | Yes | Yes | Yes |
| isSmall | | | Yes | |
|
|
| Estimator | OLS | OLS | OLS | IV |
|
|
| N | 150 | 150 | 150 | 150 |
| R2 | 0.014 | 0.863 | 0.867 | 0.080 |
| Adjusted R2 | 0.007 | 0.860 | 0.861 | 0.055 |
| Within-R2 | | 0.642 | 0.595 | -0.535 |
| F | 2.074 | 129.736 | 69.567 | 17.468 |
| F-test p value | 0.152 | 0.000 | 0.000 | 0.000 |
| First-stage F statistic | | | | 19.962 |
| First-stage p value | | | | 0.000 |
| Degrees of Freedom | 147 | 145 | 143 | 145 |
|