I tried to run a Random effect Panel regression and i get this error:

Errore in swar(object, data, effect) : 
  the estimated variance of the individual effect is negative
> 

can you help me trying to understand the problem? (sorry for m bad english)
Thanks to everybody



--
View this message in context: 
http://r.789695.n4.nabble.com/Error-in-Random-Effect-Panel-tp4650654.html
Sent from the R help mailing list archive at Nabble.com.

______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

Reply via email to