> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of gina patel > Sent: Thursday, April 02, 2009 2:17 PM > To: Brian Lee Yung (Portfolio Analytics)Rowe; hadley wickham > Cc: R-help@r-project.org > Subject: Re: [R] Deleting rows based on identity variable > > I have another question, if I now want to remove multiple id's e.g. id=1 or 4 > is there > a simple OR command I can use? > > I tried d2<-(d1[id != 1 | 4, ]) > > however this does not delete anything > > PS d2<-(d1[id != 4, ]) worked to remove id=4 > > Thanks > > Gina > > --- On Thu, 4/2/09, hadley wickham <h.wick...@gmail.com> wrote: > > From: hadley wickham <h.wick...@gmail.com> > Subject: Re: [R] Deleting rows based on identity variable > To: "Rowe, Brian Lee Yung (Portfolio Analytics)" <b_r...@ml.com> > Cc: "gina patel" <ginapatel1...@yahoo.com>, R-help@r-project.org > Date: Thursday, April 2, 2009, 4:48 PM > > On Thu, Apr 2, 2009 at 3:37 PM, Rowe, Brian Lee Yung (Portfolio > Analytics) <b_r...@ml.com> wrote: > > Is this what you want: > >> d1[which(id != 4),] > > Or just > > d1[id != 4, ] > > Hadley > > -- > http://had.co.nz/ >
The problem is rules of precedence for evaluation. Try d2<-d1[!(id %in% c(1,4)), ] Hope this is helpful, Dan Daniel J. Nordlund Washington State Department of Social and Health Services Planning, Performance, and Accountability Research and Data Analysis Division Olympia, WA 98504-5204 ______________________________________________ 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.
