[R] Suppressing error messages in a for loop

[jim holtman]

?try

On Thu, Oct 16, 2008 at 4:46 PM, hgreatrex <h.greatrex at rdg.ac.uk> wrote:
>
> Hi,
>
> Is there any way that I can supress error messages so that they don't stop
> for loops running?
>
> I'm using the gstat package and have created a variogram model for the
> double exponential model:
>
>    "dexp <- vgm( .5, "Exp", 10,.1, add.to = vgm(.5, "Exp", 100))"
>
> and fitted it using
>
>    "dexp.fit <- fit.variogram(temp2, dexp, fit.method=6, debug.level=0)"
>
> Occasionally I get the following error message and the model doesn't fit
>
>    "Error in if (direct[direct$id == id, "is.direct"] && any(model$psill <
> :
>     missing value where TRUE/FALSE needed"
>
> I don't mind that the model doesn't converge, however the error message
> stops the for loop I'm running at the time (and so stops my code!).  Is
> there any way that I can suppress the error message?
>
> Sorry if this is a really simple question, I'm still new to r programming!
> Best wishes
> Helen Greatrex
>
> --
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>
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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?