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

[Thomas Lumley]

This is answered in the FAQ list.

 	-thomas

On Mon, 22 Jan 2007, 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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Thomas Lumley			Assoc. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle