黃河泉 发表于 2020-4-12 17:09 
试试 (你没附上 treatment 变量)
非常感谢黄老师!您给的这个还是不行。treatment就是一个0-1变量,东部为1,内陆为0.
clear
. input str4 id year y x
id year y x
1.
. id year y x treatment
'year' cannot be read as a number
1. 1 2006 8.995862834 1.314005749 1
2. 1 2007 9.134663488 1.313395137 1
3. 1 2008 9.29189044 1.351067762 1
4. 1 2009 9.334627855 1.362875546 1
5. 1 2010 9.445025782 1.386851608 1
6. 1 2011 9.593772456 1.364758983 1
7. 1 2012 9.717826282 1.371287472 1
8. 1 2013 9.755826345 1.381851204 1
9. 1 2014 9.820893114 1.390423772 1
10. 1 2015 9.893713607 1.399208604 1
11. 1 2016 9.95423646 1.405643424 1
12. 1 2017 9.991276495 1.418281649 1
13. 2 2006 9.227877874 1.133250337 0
14. 2 2007 9.319482845 0.99834282 0
15. 2 2008 9.447084728 1.047884568 0
16. 2 2009 9.390435157 1.088204624 0
17. 2 2010 9.499129677 1.021836106 0
18. 2 2011 9.587368383 0.906230732 0
19. 2 2012 9.687227305 0.777114453 0
20. 2 2013 9.755243425 0.769725172 0
21. 2 2014 9.676034286 0.792944745 0
22. 2 2015 9.632531359 0.848061083 0
23. 2 2016 9.64917268 0.957619564 0
24. 2 2017 9.680537048 1.006143607 0
25. 3 2006 9.603531119 1.313080596 1
26. 3 2007 9.793564098 1.352550258 1
27. 3 2008 9.931200947 1.363923252 1
28. 3 2009 10.14841748 1.372445978 1
29. 3 2010 10.27169657 1.33293742 1
30. 3 2011 10.3885935 1.340521895 1
31. 3 2012 10.54002063 1.352837675 1
32. 3 2013 10.63318874 1.384702484 1
33. 3 2014 10.6373699 1.392465268 1
34. 3 2015 10.71609878 1.411482685 1
35. 3 2016 10.71827492 1.437308132 1
36. 3 2017 10.38508178 1.453949588 1
37. 4 2006 9.045709092 1.415755701 0
38. 4 2007 9.143915462 1.424442929 0
39. 4 2008 9.266309177 1.46974404 0
40. 4 2009 9.28958391 1.499511881 0
41. 4 2010 9.482212464 1.497785795 0
42. 4 2011 9.64995004 1.495011905 0
43. 4 2012 9.72020662 1.498131227 0
44. 4 2013 9.701774469 1.507241431 0
45. 4 2014 9.693730936 1.520240007 0
46. 4 2015 9.769740975 1.523679446 0
47. 4 2016 9.783994572 1.524600576 0
48. 4 2017 9.796046606 1.52874394 0
49. 5 2006 9.38368694 1.115308884 0
50. 5 2007 9.474012385 1.197450585 0
51. 5 2008 9.601117888 1.147874621 0
52. 5 2009 9.70447685 1.19500342 0
53. 5 2010 9.873801644 1.156599966 0
54. 5 2011 10.03501007 1.036605624 0
55. 5 2012 10.15581199 0.931225537 0
56. 5 2013 10.02230621 0.944321114 0
57. 5 2014 9.807226496 0.944661991 0
58. 5 2015 9.847098899 1.025246199 0
59. 5 2016 9.825490049 1.084138866 0
60. 5 2017 9.910633475 1.124877358 0
61.
.
. end
. dataex
----------------------- copy starting from the next line -----------------------
- * Example generated by -dataex-. To install: ssc install dataex
- clear
- input str4 id float(year y x)
- "1" 2006 8.995863 1.3140057
- "1" 2007 9.134664 1.313395
- "1" 2008 9.29189 1.3510678
- "1" 2009 9.334628 1.3628756
- "1" 2010 9.445025 1.3868515
- "1" 2011 9.593773 1.364759
- "1" 2012 9.717826 1.3712875
- "1" 2013 9.755826 1.3818512
- "1" 2014 9.820893 1.3904238
- "1" 2015 9.893714 1.3992085
- "1" 2016 9.954236 1.4056435
- "1" 2017 9.991277 1.4182817
- "2" 2006 9.227878 1.1332504
- "2" 2007 9.319483 .9983428
- "2" 2008 9.447084 1.0478846
- "2" 2009 9.390435 1.0882046
- "2" 2010 9.499129 1.0218362
- "2" 2011 9.587368 .9062307
- "2" 2012 9.687227 .7771145
- "2" 2013 9.755243 .7697251
- "2" 2014 9.676034 .7929447
- "2" 2015 9.632531 .8480611
- "2" 2016 9.649173 .9576195
- "2" 2017 9.680537 1.0061436
- "3" 2006 9.603531 1.3130805
- "3" 2007 9.793564 1.3525503
- "3" 2008 9.931201 1.3639233
- "3" 2009 10.148417 1.372446
- "3" 2010 10.271697 1.3329375
- "3" 2011 10.388594 1.340522
- "3" 2012 10.54002 1.3528377
- "3" 2013 10.63319 1.3847024
- "3" 2014 10.63737 1.3924652
- "3" 2015 10.7161 1.4114827
- "3" 2016 10.718275 1.437308
- "3" 2017 10.385082 1.4539496
- "4" 2006 9.045709 1.4157557
- "4" 2007 9.143915 1.424443
- "4" 2008 9.266309 1.469744
- "4" 2009 9.289584 1.499512
- "4" 2010 9.482212 1.4977858
- "4" 2011 9.64995 1.495012
- "4" 2012 9.720206 1.4981313
- "4" 2013 9.701775 1.5072415
- "4" 2014 9.693731 1.52024
- "4" 2015 9.769741 1.5236795
- "4" 2016 9.783995 1.5246006
- "4" 2017 9.796046 1.528744
- "5" 2006 9.383687 1.1153089
- "5" 2007 9.474012 1.1974506
- "5" 2008 9.601118 1.1478746
- "5" 2009 9.704477 1.1950034
- "5" 2010 9.873801 1.1566
- "5" 2011 10.03501 1.0366056
- "5" 2012 10.155812 .9312255
- "5" 2013 10.022306 .9443211
- "5" 2014 9.807226 .944662
- "5" 2015 9.847099 1.0252461
- "5" 2016 9.82549 1.0841389
- "5" 2017 9.910633 1.1248773
- end
复制代码------------------ copy up to and including the previous line ------------------
Listed 60 out of 60 observations
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end of do-file
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