Patrick Connolly wrote: > ]> version > _ > platform x86_64-unknown-linux-gnu > arch x86_64 > os linux-gnu > system x86_64, linux-gnu > status > major 2 > minor 3.1 > year 2006 > month 06 > day 01 > svn rev 38247 > language R > version.string Version 2.3.1 (2006-06-01) > > > I see in the NEWS file the line: > o Use of NULL as an environment is deprecated and gives a warning. > > Which duly happens. I get warnings like this: > >>Warning message: > > use of NULL environment is deprecated > > My problem is that I don't know what is being referred to. A little > birdie tells me that in later versions of R, those warnings will > become errors so I need to work out where they're coming from before I > can use later versions. > > My question is: How does one work out which is being referred to by > such a message? The traceback() function is useful when failure > occurs. Is there an analagous way of looking into warnings? > > TIA >
Hi, Patrick, This will happen when you load a package that was created for an earlier version of R. If this is your own package, recreate the package using R-2.3.1. If it's a package on CRAN, then update.packages() should also do the trick. HTH, --sundar ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html