Thanks all for your help... Problem was in my dataset only.. 1 of the splitted part of dataset had all the dependent variables as zero.
In other words if dependent variable in all the proposed panels of a dataset is zero than plm will not work -- View this message in context: http://r.789695.n4.nabble.com/Plm-on-splitted-data-tp4637610p4637740.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.
