Hi, I'm trying to conduct a Hausman test to choose between FE estimators and RE estimators. When I run the code, I get an error:
Error in solve.default(dvcov) : system is computationally singular: reciprocal condition number = 3.7981e-22 Can someone please help me with this problem? ~ Amrita [[alternative HTML version deleted]] ______________________________________________ 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.