Try this also: rm(list=names(which(unlist(eapply(globalenv(), function(a)all(is.na(a) || is.null(a)))))))
On Tue, May 19, 2009 at 9:07 AM, Katharina May <may.kathar...@googlemail.com > wrote: > Thanks Jim, the removal of objects which are NA works perfectly! > > For my second problem it didn't express myself correctly: > I actually meant objects with rows (attributes?) but no data in it > but I solved this > adjusting your approach: > > for(object in objects()) if(is.null(dim(get(object))[1]) || > dim((get(object)))[1] == 0) rm(list=object) > > Thanks a lot! > > > 2009/5/19 Jim Lemon <j...@bitwrit.com.au>: > > Katharina May wrote: > >> > >> Hi, > >> > >> how can I remove all empty objects (which are NA or have zero rows) > >> from my workspace? > >> > >> > > > > Hi Katharina, > > To remove objects that are all NA: > > > > for(object in objects()) if(all(is.na(get(object)))) rm(list=object) > > > > If by "zero rows" you mean objects that do not have a dimension: > > > > for(object in objects()) if(is.null(dim(get(object)))) rm(list=object) > > > > Jim > > > > > > > > -- > Time flies like an arrow, fruit flies like bananas. > > ______________________________________________ > R-help@r-project.org mailing list > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list 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.
