On Wed, 3 Apr 2013, AGUSTÍN ALONSO RODRÍGUEZ wrote:
I have installed Gretl 1-9-12, but I cannot enter in GNUR. When I try
to do
it, I receive the message: failure of an external instruction.
The most likely reason for this is that the path to R is not
set correctly in gretl. Check under /Tools/Preferences/General
and the "Programs" tab. Look for "Command to launch GNU R" and
(if relevant) "path to R library".
Allin Cottrell