[R] Stopping a function execution automatically after a given time
murdoch at stats.uwo.ca
Wed Apr 2 18:17:24 CEST 2008
On 4/2/2008 12:00 PM, Lukas Rode wrote:
> Dear Bert and Mel,
> thanks for your help, but I'm afraid this doesn't solve my problem.
> As I wrote in my previous mail (cf quote below) in most cases I will not be
> able to modify the code of the function that I want to run. This is why I
> was asking for a wrapper solution similar to what tryCatch does. I have
> hinted at a very inelegant version that generates a new R process for each
> function run and kills the process after a given time. But I'm sure there
> must be something more elegant. I hope I have been clear enough in my
> problem description.
On some systems (not Windows) you could ask some external process to
send a signal after a certain time interval, and I believe you can write
you code to recover afterwards. I don't know any reasonable way to do
this on Windows.
> Thanks again,
> Here is what I wrote before:
> Note that mostly these functions are not written by me and not R code (like
> nlme for example), so it is not feasible to adapt the function itself.
> Rather, it needs to be a wrapper around the function, similar to tryCatch.
> On Wed, Apr 2, 2008 at 5:23 PM, mel <mel at altk.com> wrote:
>> Lukas Rode a écrit :
>> > Nowever, with regard to #2, I am lost. I would like to set a maximum
>> > limit (say, 1 minute) and if my procedure is still running then, I would
>> > like to move on to the next model.
>> begin_time = as.difftime(format(Sys.time(), '%H:%M:%S'), units='secs');
>> current_time = as.difftime(format(Sys.time(), '%H:%M:%S'), units='secs');
>> delay = current_time - begin_time;
>> if (delay>60) return();
>> a counter may also be enough
>> R-help at r-project.org mailing list
>> PLEASE do read the posting guide
>> and provide commented, minimal, self-contained, reproducible code.
> [[alternative HTML version deleted]]
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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