数据已附,希望得到指点
- * Example generated by -dataex-. To install: ssc install dataex
- clear
- input long stkcd int year double 非流动负债合计 float 资产净利率_ROA
- 2 2009 24141762526 5.0069
- 2 2010 31400560601 5.0048
- 2 2011 27651741168 4.5325
- 2 2012 36829853376 4.6407
- 2 2013 . 4.2651
- 2 2014 46861107524 3.9059
- 2 2015 54924123488 4.6351
- 14 2009 150294669.5 4.884
- 14 2010 300330678.7 4.6642
- 14 2011 550239420.6 3.6892
- 14 2012 150255749.1 1.7345
- 14 2013 . 1.7994
- 14 2014 740341456.4 3.0408
- 14 2015 6.750e+08 2.4238
- 18 2009 12629571 5.9422
- 18 2010 12028464 1.1943
- 18 2013 . 4.5838
- 18 2014 15101.95 2.4159
- 18 2015 30156093.3 16.4737
- 19 2009 49000000 -1.7078
- 19 2010 27049920 1.402
- 19 2011 4449920 1.121
- 19 2012 8661364.25 6.4827
- 19 2013 . 3.5329
- 19 2014 15638767.28 1.1341
- 19 2015 14571422.03 -3.8789
- 24 2009 5882774865 4.112
- 24 2010 10164528809 4.6121
- 24 2011 15708149538 4.7503
- 24 2012 14508851432 4.5297
- 24 2013 . 4.5292
- 24 2014 . 3.8566
- 26 2009 100006989.9 4.7722
- 26 2010 183971324.4 4.7478
- 26 2011 59508960.28 5.9734
- 26 2012 49889020.45 3.7174
- 26 2013 . 3.7797
- 26 2014 542920355.1 4.0492
- 26 2015 495118724.6 3.088
- 27 2009 4960637943 7.7726
- 27 2010 6471008915 5.4482
- 27 2011 5855266294 3.9051
- 27 2012 5106347832 3.5588
- 27 2013 . 5.2823
- 27 2014 3792033205 6.5041
- end