[R] Query about using optimizers in R without causing program to crash

[Andrew Robinson]

Hi Lalitha,

Use 

try()

or 

tryCatch()

Cheers

Andrew

On Mon, Jan 22, 2007 at 12:43:28PM -0800, lalitha viswanath wrote:
> Hi
> I am a newbie to R and am using  the lm function to
> fit my data.
> This optimization is to be performed for around 45000
> files not all of which lend themselves to
> optimization. Some of these will and do crash.
>  
> However, How do I ensure that the program simply goes
> to the next file in line without exiting the code with
> the error
> "Error in lm.fit(x, y, offset = offset, singular.ok =
> singular.ok, ...) : 
>         NA/NaN/Inf in foreign function call (arg 4)"
> everytime it encounters troublesome data?
> 
> I would greatly appreciate your input as it would
> avoid me having to manually type
> for fileId in (c(4351:46000)) { ... }
> for fileId in (c(5761:46000)) { ... }, etc...
> 
> Thanks
> Lalitha
> 
> 
>  
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-- 
Andrew Robinson  
Department of Mathematics and Statistics            Tel: +61-3-8344-9763
University of Melbourne, VIC 3010 Australia         Fax: +61-3-8344-4599
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