I have the problem use R Error in solve.default(object$hessian)
system is computationally singular: reciprocal condition number = 1.42892e-30 what is the problem ?and what it means help me -- [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.