Hi,
You probably have a function defined in your global environment that is named FUN and acts like mean.
You are right. Thanks Sigbert -- https://hu.berlin/sk https://hu.berlin/mmstat3 ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
