[R] coxph error

[Seth Falcon]

Take a look at ?try and see the thread on this list of yesterday about
how to use try to skip errors within a loop.

On Tue, Feb 10, 2004 at 08:59:10AM -0500, Fredrick Schumacher wrote:
> R list:
> 
>  
> 
> I am using a 'for' loop to run a number of different models (stratified
> by different variables) with coxph.   The data becomes sparse when some
> strata are used causing the model to become unstable.  The following
> error occurs and the analysis is terminated.
> 
>  
> 
> >Error in fitter(X, Y, strats, offset, init, control, weights = weights,
> : 
> 
>       (converted from warning) Loglik converged before variable  1 ;
> beta may be infinite. 
> 
>  
> 
> Is there any way to have R skip the models without convergence and apply
> 'NA' to the results, then go on to the other models?
> 
>  
> 
> The same situation occurs with windows and unix versions.
> 
>  
> 
> Thanks,
> 
> Fred
> 
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