Tena koe Andreas Assuming you mean
d[d$Var.1==9 | d$Var.2==9 | d$Var.3==9 ,] not d[d$Var.1==9 | d$Var.1==9 | d$Var.1==9 ,] then d[apply(d, 1, function(x) any(x==9)),] is one way. HTH .... Peter Alspach > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Kunzler, Andreas > Sent: Tuesday, 6 July 2010 8:34 p.m. > To: r-help@r-project.org > Subject: [R] Selection with changing number of columns > > Dear list, > > I'm looking for a way to select rows of a data.frame with changing > number of columns (constraint) involved. > > Assume a data (d) structure like > > > Var.1 Var.2 Var.3 > 9 2 1 > 2 9 5 > 1 2 1 > > I know the number of involved columns. > > Is there a way to generate the following selection automatically (maybe > for loop), so that it makes no difference if there are two or ten > columns involved. > > Selection: > d[d$Var.1==9 | d$Var.1==9 | d$Var.1==9 ,]> > > Does anybody know a way? > > Thanks > > Mit freundlichen Grüßen > > Andreas Kunzler > ____________________________ > Bundeszahnärztekammer (BZÄK) > Chausseestraße 13 > 10115 Berlin > > Tel.: 030 40005-113 > Fax: 030 40005-119 > > E-Mail: a.kunz...@bzaek.de > > ______________________________________________ > 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. ______________________________________________ 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.
