Try this: d[colSums(d == 9)]
On Tue, Jul 6, 2010 at 5:33 AM, Kunzler, Andreas <a.kunz...@bzaek.de> wrote: > 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. > -- 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.
