- . clear *
- . input id year c1 c2 c3
- id year c1 c2 c3
- 1. 1 07 4 5 6
- 2. 1 08 7 8 9
- 3. 1 09 10 11 12
- 4. 2 07 14 15 16
- 5. 2 08 17 18 19
- 6. 2 09 110 111 112
- 7. 3 07 24 25 26
- 8. 3 08 27 28 29
- 9. 3 09 210 211 212
- 10. end
- .
- . reshape long c, i(id year) j(yeary)
- (note: j = 1 2 3)
- Data wide -> long
- -----------------------------------------------------------------------------
- Number of obs. 9 -> 27
- Number of variables 5 -> 4
- j variable (3 values) -> yeary
- xij variables:
- c1 c2 c3 -> c
- -----------------------------------------------------------------------------
- . list
- +-------------------------+
- | id year yeary c |
- |-------------------------|
- 1. | 1 7 1 4 |
- 2. | 1 7 2 5 |
- 3. | 1 7 3 6 |
- 4. | 1 8 1 7 |
- 5. | 1 8 2 8 |
- |-------------------------|
- 6. | 1 8 3 9 |
- 7. | 1 9 1 10 |
- 8. | 1 9 2 11 |
- 9. | 1 9 3 12 |
- 10. | 2 7 1 14 |
- |-------------------------|
- 11. | 2 7 2 15 |
- 12. | 2 7 3 16 |
- 13. | 2 8 1 17 |
- 14. | 2 8 2 18 |
- 15. | 2 8 3 19 |
- |-------------------------|
- 16. | 2 9 1 110 |
- 17. | 2 9 2 111 |
- 18. | 2 9 3 112 |
- 19. | 3 7 1 24 |
- 20. | 3 7 2 25 |
- |-------------------------|
- 21. | 3 7 3 26 |
- 22. | 3 8 1 27 |
- 23. | 3 8 2 28 |
- 24. | 3 8 3 29 |
- 25. | 3 9 1 210 |
- |-------------------------|
- 26. | 3 9 2 211 |
- 27. | 3 9 3 212 |
- +-------------------------+
- .
- end of do-file
- .


雷达卡




京公网安备 11010802022788号







