Re: [R] Error in Random Effect Panel

2012-11-27 Thread Hard Core
up -- View this message in context: http://r.789695.n4.nabble.com/Error-in-Random-Effect-Panel-Negative-variance-tp4650654p4650948.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://stat.ethz.ch

Re: [R] Error in Random Effect Panel

2012-11-25 Thread Hard Core
the code is : prr <- plm( durata ~ log(attivo) + rating + main, model="random", effect="individual", data = p) I read that code in R forge and i thought that it could be useful to anyone who red my post to help me moving around it. -- View this message in context: http://r.789695.n4.nabbl

Re: [R] Error in Random Effect Panel

2012-11-25 Thread Uwe Ligges
On 25.11.2012 14:53, Hard Core wrote: i found this on the web, ran it on R but i always get the same error ... any advices? i don't know how to slve this https://r-forge.r-project.org/scm/viewvc.php/pkg/R/ercomp.R?view=markup&root=plm 0. Have you read the positjng guide to this mailing list?

Re: [R] Error in Random Effect Panel

2012-11-25 Thread Hard Core
i found this on the web, ran it on R but i always get the same error ... any advices? i don't know how to slve this https://r-forge.r-project.org/scm/viewvc.php/pkg/R/ercomp.R?view=markup&root=plm -- View this message in context: http://r.789695.n4.nabble.com/Error-in-Random-Effect-Panel-tp46

[R] Error in Random Effect Panel

2012-11-24 Thread Hard Core
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