Re: [R] How to have NLME return when convergence not reached

2014-12-03 Thread Ramiro Barrantes
_ From: Martin Maechler [maech...@stat.math.ethz.ch] Sent: Wednesday, December 03, 2014 3:26 AM To: Bert Gunter Cc: Ramiro Barrantes; r-help@r-project.org Subject: Re: [R] How to have NLME return when convergence not reached >>>>> Bert Gunter >>>>> on Tue, 2 De

Re: [R] How to have NLME return when convergence not reached

2014-12-03 Thread Viechtbauer Wolfgang (STAT)
project.org] On Behalf Of Martin > Maechler > Sent: Wednesday, December 03, 2014 09:26 > To: Bert Gunter > Cc: r-help@r-project.org; Ramiro Barrantes > Subject: Re: [R] How to have NLME return when convergence not reached > > >>>>> Bert Gunter > >>>>

Re: [R] How to have NLME return when convergence not reached

2014-12-03 Thread Martin Maechler
>> >> From: Bert Gunter [gunter.ber...@gene.com] >> Sent: Tuesday, December 02, 2014 4:30 PM >> To: Ramiro Barrantes >> Cc: r-help@r-project.org >> Subject: Re: [R] How to have NLME return when conver

Re: [R] How to have NLME return when convergence not reached

2014-12-02 Thread Bert Gunter
com] > Sent: Tuesday, December 02, 2014 4:30 PM > To: Ramiro Barrantes > Cc: r-help@r-project.org > Subject: Re: [R] How to have NLME return when convergence not reached > > ?try > Or > ?tryCatch > > Bert > > Sent from my iPhone -- please excuse typos. > >&g

Re: [R] How to have NLME return when convergence not reached

2014-12-02 Thread Ramiro Barrantes
help! From: Bert Gunter [gunter.ber...@gene.com] Sent: Tuesday, December 02, 2014 4:30 PM To: Ramiro Barrantes Cc: r-help@r-project.org Subject: Re: [R] How to have NLME return when convergence not reached ?try Or ?tryCatch Bert Sent from my iPhone -- please excuse

Re: [R] How to have NLME return when convergence not reached

2014-12-02 Thread Ramiro Barrantes
Great suggestion!! Will give that a try. From: William Dunlap [wdun...@tibco.com] Sent: Tuesday, December 02, 2014 4:49 PM To: Ramiro Barrantes Cc: r-help@r-project.org Subject: Re: [R] How to have NLME return when convergence not reached You could try using

Re: [R] How to have NLME return when convergence not reached

2014-12-02 Thread William Dunlap
You could try using R.utils::withTimeout(expr, timeout=10) to cause an error when evaluating the expression expr takes longer than 10 seconds. Wrap that in tryCatch or try to catch the error and examine the outputs of lapply for ones of class "TimeoutException" to find the ones that took too long.

Re: [R] How to have NLME return when convergence not reached

2014-12-02 Thread Bert Gunter
?try Or ?tryCatch Bert Sent from my iPhone -- please excuse typos. > On Dec 2, 2014, at 12:57 PM, Ramiro Barrantes > wrote: > > Hello, > > I am trying to fit many hundreds of simulated datasets using NLME (it's all > in a big loop in R). Some don't seem to converge. I am working on > ad

[R] How to have NLME return when convergence not reached

2014-12-02 Thread Ramiro Barrantes
Hello, I am trying to fit many hundreds of simulated datasets using NLME (it's all in a big loop in R). Some don't seem to converge. I am working on addressing the issues by perhaps adjusting my simulation, or tweaking iteration steps in nlme, etc. However, when it doesn't converge, NLME jus