[R] question on suppressing error messages with Rmath library

ronggui ronggui.huang at gmail.com
Wed Mar 21 15:08:16 CET 2007


op <- options(warn=-1)
[main codes here]
options(op)



On 3/21/07, Ranjan Maitra <maitra at iastate.edu> wrote:
> Dear list,
>
> I have been using the Rmath library for quite a while: in the current instance, I am calling dnt (non-central t density function) repeatedly for several million. When the argument is small, I get the warning message:
>
> full precision was not achieved in 'pnt'
>
> which is nothing unexpected. (The density calls pnt, if you look at the function dnt.) However, to have this happen a huge number of times, when the optimizer is churning through the dataset is bothersome, but more importantly, a bottleneck in terms of speed. Is it possible to switch this off? Is there an setting somewhere that I am missing?
>
> Many thanks and best wishes,
> Ranjan
>
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-- 
Ronggui Huang
Department of Sociology
Fudan University, Shanghai, China



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