[R] meaning of warning messages

Prof Brian Ripley ripley at stats.ox.ac.uk
Mon Feb 9 18:44:44 CET 2009

On Mon, 9 Feb 2009, Neotropical bat risk assessments wrote:

> Hi all,
> Read a string of data and had this message during a plot run.
> Warning message:
> closing unused connection 3 (Lines)
> Not sure what this means or if it should be of concern.

It means R tidied up after you.  But it may have tidied up things you 
dropped by mistake, hence the warning.

Without a full example (see the footer of this message) we cannot tell 
what you (or a package you are using) did wrong.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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