Only theese: :( 495 496 497 498 499 There were 50 or more warnings (use warnings() to see the first 50) > > warnings() Warning messages: 1: multi-argument returns are deprecated in: return(coef, w) 2: multi-argument returns are deprecated in: return(coef, w) 3: multi-argument returns are deprecated in: return(coef, w) 4: multi-argument returns are deprecated in: return(coef, w) 5: multi-argument returns are deprecated in: return(coef, w) 6: multi-argument returns are deprecated in: return(coef, w) 7: multi-argument returns are deprecated in: return(coef, w) 8: multi-argument returns are deprecated in: return(coef, w) 9: multi-argument returns are deprecated in: return(coef, w) 10: multi-argument returns are deprecated in: return(coef, w) ... 50: multi-argument returns are deprecated in: return(coef, w) []s Leonard Assis Estat�stico / CONFE 7439 UIN : 41-764-523 / Skype : lmassis / msn : [EMAIL PROTECTED]
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Leonard assis Sent: Thursday, May 06, 2004 6:42 PM To: 'Peter Dalgaard'; 'Rogers, James A [PGRD Groton]' Cc: [EMAIL PROTECTED] Subject: RE: [R] sporadic errors with nlrq() / optim() In my computer, there's no error WIN XP PENTIUM4 1.67GHz 1GB RAM R 1.9.0 Patched []s Leonard Assis Estat�stico / CONFE 7439 UIN : 41-764-523 / Skype : lmassis / msn : [EMAIL PROTECTED] -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Peter Dalgaard Sent: Thursday, May 06, 2004 6:21 PM To: Rogers, James A [PGRD Groton] Cc: '[EMAIL PROTECTED]' Subject: Re: [R] sporadic errors with nlrq() / optim() "Rogers, James A [PGRD Groton]" <[EMAIL PROTECTED]> writes: > Dear List, > > Apologies if this is a known problem ... I wasn't able to find it on > the bug list, but it is a problem that does not seem to occur with a > MAC build of R 2.0, so perhaps this problem has already been addressed > for the future. > > I am getting *sporadic* errors when refitting the same model to the > same data set, using nlrq() in the nlrq package. The algorithm is not > stochastic, so I would expect to get errors either every time, or never. > > ### > > library(stats) # or library(nls) if using R < 1.9.0 > library(nlrq) > > test <- data.frame(x = c(7.60090245954208, 6.90775527898214, > 6.21460809842219, 5.52146091786225, 4.60517018598809, > 3.91202300542815, > 3.2188758248682 , 2.52572864430826, 1.83258146374831, > 7.60090245954208, 6.90775527898214, 6.21460809842219, > 5.52146091786225, 4.60517018598809, 3.91202300542815, 3.2188758248682 > , 2.52572864430826, 1.83258146374831, 6.21460809842219, 6.21460809842219), > y = c( 11.0161506644269, 9.84267541313937, > 8.66146668057266, 7.48099216286952, 6.50578406012823, > 6.24027584517077, 5.63121178182137, 5.71702770140622, > 5.64190707093811, 10.8983676287705, 9.91857318995417, > 8.74608021735751, 7.58120982619635, 6.361302477573 , 5.91889385427315, > 5.63835466933375 , 5.80211837537706, 5.64897423816121, > 8.6195692580331 , 8.70367275835886) > ) > > i <- 1 > while(i < 500) { # I usually hit an error within 50 iterations > cat(i, "\n") > nlrq(y ~ SSfpl(x, A, B, xmid, scal), data = test) > i <- i + 1 > } > > ### > > Errors occur with version 1.8.1 and 1.9.0 on both Windows (two > different > machines) and UNIX, but not on version 2.0 on a MAC (these are the > only R version - OS permutations I was able to get reports on easily). > > Anyone understand what is happening here? There's no "version 2.0", only "2.0.0 Under development (unstable)". If you look at the NEWS file for that version (or for 1.9.0-patched) under 1.9.1 changes, you'll find o The L-BFGS-B option of optim() apparently needs part of its workspace zeroed. (PR#6720) which gave problems of the sort you experiences. -- O__ ---- Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept. of Biostatistics 2200 Cph. N (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
