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On Tue, Jun 24, 2008 at 1:59 PM, Sit Yee Kong <[EMAIL PROTECTED]> wrote:
>
> Hi All,
>
> The for-loop below stopped when error("Cannot get confidence intervals on
> var-cov components: Non-positive definite approximate variance-covariance")
> occurred.
> I assigned a row of NA values
> to t
On Thu, 31 Jan 2008, Rob Forsyth wrote:
> In some trial simulation work I need to create batch files that will
> repeatedly generate pseudoreplicate datasets and then create non-
> linear mixed effects models using nlme. Inevitably these models
> sometimes fail to converge but I need the batch fil
On 12/09/2007 5:08 AM, Christian Schäfer wrote:
> Hi,
>
> is there a possibility to catch an occurring error and do an appropriate
> error handling? (like the "try-catch"-statement in other programming
> languages)
You could use the tryCatch() function (or try(), a simplified wrapper).
Duncan
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