[R] un run run...

ONKELINX, Thierry Thierry.ONKELINX at inbo.be
Thu Aug 13 11:13:22 CEST 2009

Here is an example in pseudo code.

Instead of 

Object <- function that can generate error
Other things to do

Do something like

Object <- try(function that can generate error)
if(class(Object) == "try-error"){
	things to do when an error occures
} else {
	other things to do



ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature
and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,
methodology and quality assurance
Gaverstraat 4
9500 Geraardsbergen
tel. + 32 54/436 185
Thierry.Onkelinx at inbo.be

To call in the statistician after the experiment is done may be no more
than asking him to perform a post-mortem examination: he may be able to
say what the experiment died of.
~ Sir Ronald Aylmer Fisher

The plural of anecdote is not data.
~ Roger Brinner

The combination of some data and an aching desire for an answer does not
ensure that a reasonable answer can be extracted from a given body of
~ John Tukey

-----Oorspronkelijk bericht-----
Van: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
Namens Nir Shachaf
Verzonden: donderdag 13 augustus 2009 11:00
Aan: r-help at r-project.org
Onderwerp: [R] un run run...

Hi All,

I am running an Rscript with a bunch of algorithms that are UNSTABLE
under some parameter settings.

At a certain point one of them sends error massage and my whole run

What I would like is to save the error massage in some file or variable
and carry on to the next command line without stopping this run...

Any help or ideas would be welcome, please, with a concrete example (not
just - "have you thought of using 'tryCatch' etc.).

Thanks all!

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