Deal all R users, I am getting a warning message "negative inverted hessian matrix element in: mvBEKK.est(weekly.return.all, order = c(2, 1))" while I am using mvBEKK.estlibrary to estimate time varying Covariance matrix using Bivariate Garch. Can anyone please tell me in details why I am getting this message and what is the remedy for that?
Sincerely yours, Arun [[alternative HTML version deleted]] ______________________________________________ R-help@stat.math.ethz.ch 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.