For the first question, you have provided the answer -- try(nls(...)). Was there something else you wanted?
For part 2, this should work: for (i in names(myData)[-1]){ # skip first column with "Time" write.table(myData[, c("Time", i)], file=i) } > 1) How can use the function try in nls model: > > try(nls(...)) > > 2) I have 100 colun with data and I want ro prepare 99 file with the first > colun with the others > > Time A1 A2 A3 A4 AN..... > > I want to have 99 files with > a)Time and A1 > b)Time and A2 > n) Time AN > > thanks for any help > M > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.