see ?try Jianping Jin wrote: > Dear group: > > I wrote a code to iterate a non-linear fit with a set of data. The entire > process didn't implemented to the end because an error message, "singular > gradient". I knew that some sub-sets (columns) do not fit my formula well > and may result in parameters going to infinity. It is pretty hard to remove > those sub sets before running the code since that will take a lot of time. > > I added some logic assessments prior to running nonlinear fit. It helped > but some exceptions still existed. I am wondering if there is any way in R > by which I can continue to run the entire code to the end by ignoring the > error message? > > Greatly appreciate your help, > > Jianping > > ################################## > Jianping Jin Ph.D. > Bioinformatics scientist > Center for Bioinformatics > Room 3133 Bioinformatics building > CB# 7104 > University of Chapel Hill > Chapel Hill, NC 27599 > Phone: (919)843-6105 > FAX: (919)843-3103 > E-Mail: [EMAIL PROTECTED] > > ______________________________________________ > 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. > >
______________________________________________ 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.
