On Aug 30, 2011, at 10:04 , Luca Meyer wrote: > Hi, > > Does anyone know how to show zero frequencies variable levels with the xtabs > command? They show with the table(x,y) command but I need to apply weight to > frequency tables and I also need to cbind several tables together, which > implies that they all need to show the same number of rows.
Are you sure you are doing the same thing as with table(). I'd expect it to work if you ensure that the variables are factors: > library(ISwR) > xtabs(~sex+menarche,data=juul) menarche sex 1 2 2 369 335 > juul$sex <- factor(juul$sex,levels=1:2) > xtabs(~sex+menarche,data=juul) menarche sex 1 2 1 0 0 2 369 335 > > Alternatively, do you know how to column bind tables with different number of > rows? I cannot use merge as it requires daata.frame and that modifies the > look of the banner table I am trying to create... > > Thanks, > Luca > > > Mr. Luca Meyer > www.lucameyer.com > R version 2.13.1 (2011-07-08) > Mac OS X 10.6.8 > > > > > > > > [[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. -- Peter Dalgaard, Professor Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ 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.
