Hey Michael, Thank you very much. It works!
Best, Martin -------- Original-Nachricht -------- > Datum: Fri, 10 Dec 2010 22:35:56 +1100 > Von: Michael Bedward <michael.bedw...@gmail.com> > An: Martin Spindler <martin.spind...@gmx.de> > CC: r-help@r-project.org > Betreff: Re: [R] subset with two factors > Hello Martin, > > You were almost there :) > > T1 <- subset(daten1, Geschlecht=="M" & GG=="A") > > Hope this helps. > > Michael > > On 10 December 2010 22:25, Martin Spindler <martin.spind...@gmx.de> wrote: > > Dear all, > > > > I have a dataframe of the following strucutre > > > > numacc_b coverage_b Geschlecht GG > > 1 0 1 W A > > 2 0 1 M A > > 3 0 1 M B > > 4 0 1 M B > > 5 0 1 W A > > 6 0 1 M B > > > > I would like to form a subset consisting of all entries with > Geschlecht=M and GG=A. > > > > Using > > > >>T1 <- subset(daten1, Geschlecht=="M", GG=="A") > > > > delievers > > > > data frame with 0 columns and 6 rows > > > >> T1 <- subset(daten1, Geschlecht=="M") > > > > delievers > > > > numacc_b coverage_b Geschlecht GG > > 2 0 1 M A > > 3 0 1 M B > > 4 0 1 M B > > 6 0 1 M B > > 9 0 1 M B > > 10 0 1 M B > > > > But I want to select the dataframe according to both factos. > > > > What can I do? > > > > Thank you answers in advance! > > > > Best, > > > > Martin > > -- > > GMX DSL Doppel-Flat ab 19,99 €/mtl.! Jetzt auch mit > > gratis Notebook-Flat! http://portal.gmx.net/de/go/dsl > > > > ______________________________________________ > > 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. > > -- GRATIS! Movie-FLAT mit über 300 Videos. -- GMX DSL Doppel-Flat ab 19,99 €/mtl.! Jetzt auch mit gratis Notebook-Flat! http://portal.gmx.net/de/go/dsl ______________________________________________ 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.
