运行xtivreg2结果显示由于stata的版本太旧不能运行,有什么方法解决吗?
大家可以在自己的stata软件,下载xtivreg2的命令后,运行下如下的程序:
use http://fmwww.bc.edu/ec-p/data/macro/abdata.dta,clear
tsset id year
xtivreg2 ys k (n=l2.n l3.n), fe small
结果出现了如下结果:
. use http://fmwww.bc.edu/ec-p/data/macro/abdata.dta
(Layard & Nickell, Unemployment in Britain, Economica 53, 1986 from Ox dist)
. tsset id year
panel variable: id (unbalanced)
time variable: year, 1976 to 1984
delta: 1 unit
. xtivreg2 ys k (n=l2.n l3.n), fe small
Error: must have ranktest version 01.2.03 or greater installed
To install, from within Stata type r(601);
请问,有没有什么办法解决呢?谢谢各位大侠了!