黃河泉 发表于 2018-12-5 14:52 
你若要问程序,永远附上相关资料;若附上资料,永远用 dataex 印出资料。
1. 先 ssc install dataex (并 ...
* Example generated by -dataex-. To install: ssc install dataex
clear
input long id int year float adjroa
1 2004 .
1 2005 .
1 2006 .
1 2007 .
1 2008 .
1 2009 .
1 2010 .
1 2011 .
1 2012 -.003590938
1 2013 -.0040191254
1 2014 -.0022585
1 2015 -.001288687
1 2016 .
1 2017 .
2 2004 .04205234
2 2005 .19479516
2 2006 .029433805
2 2007 -.08951981
2 2008 -.018975567
2 2009 .004751585
2 2010 .006519154
2 2011 .00444879
2 2012 .00965229
2 2013 .001269009
2 2014 .014860664
2 2015 .03093434
2 2016 .011510685
2 2017 -.00036927685
4 2004 -.07424717
4 2005 -.15775783
4 2006 -.04387717
4 2007 -.1285705
4 2008 -.1126413
4 2009 -.0432925
4 2010 .04486583
4 2011 -.02462528
4 2012 -.03725597
4 2013 -.04857644
4 2014 -.02888886
4 2015 -.05784239
4 2016 .12839362
4 2017 -.06130637
5 2004 .001492545
5 2005 -.08191483
5 2006 .03783396
5 2007 -.013234027
5 2008 .3466292
5 2009 -.011228382
5 2010 -.13061737
5 2011 -.00986172
5 2012 -.009091713
5 2013 -.080472
5 2014 .018537663
5 2015 -.04423767
5 2016 .006609354
5 2017 -.024418924
6 2004 -.013539657
6 2005 .16206516
6 2006 .05154281
6 2007 -.1028188
6 2008 -.03770757
6 2009 .00642559
6 2010 .03414915
6 2011 .02399179
6 2012 .04324429
6 2013 .04511201
6 2014 .032341663
6 2015 .03963334
6 2016 .04412968
6 2017 .03563172
7 2004 -.15411566
7 2005 .15266117
7 2006 -.11749019
7 2007 -.0975498
7 2008 -.10294357
7 2009 .10157759
7 2010 .07833325
7 2011 -.0015950017
7 2012 -.021255126
7 2013 .01274825
7 2014 .07691763
7 2015 -.0076935
7 2016 .13608113
7 2017 -.04566728
8 2004 .43469065
8 2005 .036495186
8 2006 .3657318
8 2007 -.1643019
8 2008 -.06132825
8 2009 -.0823193
8 2010 -.056368
8 2011 -.07923384
8 2012 .03988188
8 2013 .008256249
8 2014 .12073963
8 2015 .03121043
8 2016 .03874023
8 2017 .04562522
9 2004 .012943543
9 2005 .05320717
end
以上就是我的adjora数据,请问老师,按照下图的公式计算risk,stata应该怎么操作?用哪些命令进行下一步的操作?谢谢!(不知现在提问的格式对不对,若不对请老师再次指正!)