- *************************************
- egen y0 = group(x y)
- bysort x: egen miny= min(y0)
- gen y1 = y0-miny+1
- drop y0 miny
- list,sepby(x)
- *************************************
- . *************************************
- . egen y0 = group(x y)
- . bysort x: egen miny= min(y0)
- . gen y1 = y0-miny+1
- . drop y0 miny
- . list,sepby(x)
- +------------+
- | x y y1 |
- |------------|
- 1. | 1 1 1 |
- 2. | 1 1 1 |
- 3. | 1 2 2 |
- 4. | 1 2 2 |
- 5. | 1 2 2 |
- |------------|
- 6. | 2 4 1 |
- 7. | 2 4 1 |
- 8. | 2 5 2 |
- 9. | 2 5 2 |
- 10. | 2 5 2 |
- 11. | 2 5 2 |
- |------------|



雷达卡





京公网安备 11010802022788号







