XTIVREG2 ON STATA 12

[kenkinmg]

Hi Statlist..

This error appear in my stata when I want to use xtivreg2 comand.... I don't know what do I do
Help me please

Error: must have ranktest version 01.3.02 or greater installed
To install, from within Stata type r(601);

I have stata 12..

Kenkin.

[jorgelgarcia87]

Before running your code do:
ssc install ranktest
ssc install xtoverid

You need the for the tests.