stata中数据采用m:1合并之后如何快速筛选出变量中相同的项

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liscd        abbrnme
150222        18九通02
150222        15国开22
150223        15国开23
150223        18溧水02
150224        18韩投01
150224        15国开24
如上图所示，如何能够快速找出变量liscd下相同的值

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关键词：Stata 如何快速 tata 筛选出 abbr

1. 请再说明一次，看不清楚你要什么？ 2. 你若要问程序，永远附上资料；若要附上资料，永远用 dataex 印出资料；先 ssc install dataex (并见说明)，将原始 Stata 资料中具有”代表性”的一部分资料列出，以供有意回答者实验之用，并能提供具体操作指令。并请参考 http://www.jianshu.com/p/9870080fe769,  https://bbs.pinggu.org/thread-5048204-1-1.html, 与 https://bbs.pinggu.org/thread-5917273-1-1.html。

1. * Example generated by -dataex-. To install: ssc install dataex
   
2. clear
   
3. input str9 liscd str20 abbrnme
   
4. "136231" "16金茂01"
   
5. "136135" "16联泰01"
   
6. "136218" "16华凌01"
   
7. "143290" "17广汇02"
   
8. "112469" "16涪陵02"
   
9. "143017" "17华汽01"
   
10. "143413" "17贵产01"
    
11. "112610" "17制药01"
    
12. "143062" "17首农01"
    
13. "112519" "17物美01"
    
14. "136619" "16中静02"
    
15. "122330" "13中企债"
    
16. "143913" "17渝信Y1"
    
17. "136157" "16重水01"
    
18. "136034" "15沪国资"
    
19. "112305" "15长影02"
    
20. "136792" "16中筑01"
    
21. "143901" "17云续Y1"
    
22. "136726" "16中材02"
    
23. "122495" "14亨通02"
    
24. "143983" "18电投Y2"
    
25. "123034" "16神雾债"
    
26. "136122" "15天域债"
    
27. "143443" "17中民G1"
    
28. "143289" "18鲁商01"
    
29. "112117" "12福发债"
    
30. "112584" "17创维P1"
    
31. "136634" "16黔高速"
    
32. "143598" "18陕煤01"
    
33. "143602" "18雅砻01"
    
34. "136301" "16龙盛03"
    
35. "136056" "15玉皇01"
    
36. "122468" "15五矿01"
    
37. "143526" "18老窖01"
    
38. "136101" "15合景01"
    
39. "112426" "16东林02"
    
40. "136490" "16红美01"
    
41. "136014" "15福投债"
    
42. "136400" "16金辉03"
    
43. "112587" "17越租01"
    
44. "112499" "17欧菲01"
    
45. "136408" "16路桥01"
    
46. "122332" "14亿利01"
    
47. "136009" "15红星01"
    
48. "136513" "16电投03"
    
49. "136297" "16两江01"
    
50. "136857" "16重汽01"
    
51. "112675" "18厦贸Y1"
    
52. "112233" "14漳发债"
    
53. "136552" "16圆融02"
    
54. "122443" "15桂金债"
    
55. "136274" "16海亮01"
    
56. "112666" "18科伦01"
    
57. "143654" "18泰富01"
    
58. "112399" "16凯迪债"
    
59. "112416" "16奥燃02"
    
60. "136419" "16国华01"
    
61. "112644" "18GLPR1"   
    
62. "112502" "17科伦01"
    
63. "136420" "16中电01"
    
64. "143974" "18铁投Y1"
    
65. "143260" "17国投01"
    
66. "143467" "18联想01"
    
67. "136224" "16新业02"
    
68. "136866" "16汇丰02"
    
69. "143005" "17长发01"
    
70. "143700" "18宁资01"
    
71. "143321" "17金玛03"
    
72. "143370" "17联合04"
    
73. "136043" "15华凌01"
    
74. "112560" "17国水01"
    
75. "112674" "18亚迪01"
    
76. "122347" "13太极02"
    
77. "112521" "17昆仑01"
    
78. "143194" "17电投10"
    
79. "136211" "16恒力01"
    
80. "136050" "15景德01"
    
81. "122431" "15闽高速"
    
82. "112511" "17正通01"
    
83. "136364" "16十二师"
    
84. "136705" "16协信08"
    
85. "122492" "15新光02"
    
86. "136360" "16富力04"
    
87. "112240" "15华联债"
    
88. "143629" "18中凯01"
    
89. "112641" "18晨债01"
    
90. "136365" "16桂铁债"
    
91. "112382" "16南都01"
    
92. "112277" "15金街03"
    
93. "122457" "15新金债"
    
94. "143479" "18浦建01"
    
95. "112473" "16海普瑞"
    
96. "143146" "17恒信01"
    
97. "143556" "18特变01"
    
98. "136511" "16云金01"
    
99. "112600" "17巴安债"
    
100. "136727" "16平海01"
     
101. "122380" "14瀚华01"
     
102. "112467" "16天广01"
     
103. "112588" "17万维S1"
     
104. end

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黃河泉 发表于 2018-8-15 07:30
1. 请再说明一次，看不清楚你要什么？ 2. 你若要问程序，永远附上资料；若要附上资料，永远用 dataex 印出资 ...

多谢黄老师指点，已学会正确的提问方式