做DEA分析时显示dum没找到 ,是不是有命令需要命名决策单元,还是创造新的一列虚拟变量视为决策单元 再进行dea分析<br>
求大神解答

数据如下 :
[CODE]<br>
* Example generated by -dataex-. To install: ssc install dataex<br>
clear<br>
input str6 province int year float labor str17 yield<br>
"上海" 2018 21.162287 "103.74"<br>
"上海" 1998 28.406754 "212.58"<br>
"上海" 2017 21.23378 "99.78" <br>
"上海" 1997 29.720816 "230.2" <br>
"上海" 2014 22.87033 "127.16"<br>
"上海" 2015 23.567295 "125.41"<br>
"上海" 2007 11.59384 "115.33"<br>
"上海" 2013 26.329 "128.65"<br>
"上海" 2004 11.305884 "106.29"<br>
"上海" 2000 18.397312 "174" <br>
end<br>
[/CODE]


雷达卡






京公网安备 11010802022788号







