Dear Andrija, Thank you very much for your quick reply. It looks like working. Thanks again, Suparna.
On Wed, Apr 6, 2011 at 2:11 PM, andrija djurovic <djandr...@gmail.com>wrote: > Hi: > > Here is one solution: > > a<-factor(c(1,2,4,5,6)) > b<-factor(c(2,2,4,5,5)) > b1<-factor(b,levels=c(levels(b),levels(a)[levels(a)%in%levels(b)==FALSE])) > table(a,b1) > > but be aware that levels of b is a subset of levels of a. > > Andrija > > On Wed, Apr 6, 2011 at 10:39 AM, suparna mitra < > mi...@informatik.uni-tuebingen.de> wrote: > >> Hello, >> How can I create a symmetric contingency table from two categorical >> vectors >> having different length of levels? >> For example one vector has 98 levels >> TotalData1$Taxa.1 >> [1] "Aconoidasida" "Actinobacteria (class)" >> "Actinopterygii" "Alphaproteobacteria" >> [5] "Amoebozoa" "Amphibia" >> "Anthozoa" "Aquificae (class)" >> and so on ......... >> 98 Levels: Aconoidasida Actinobacteria (class) .... >> >> and the other vector has 105 levels >> TotalData1$Taxa.2 >> [1] Flavobacteria Proteobacteria >> Bacteroidetes/Chlorobi group Bacteria >> [5] Epsilonproteobacteria Epsilonproteobacteria >> Epsilonproteobacteria >> and so on .......... >> 105 Levels: Acidobacteria Aconoidasida Actinobacteria (class) .... >> >> Now I want to create a symmetric contingency table. >> Any quick idea will be really helpful. >> Best regards, >> Mitra >> >> [[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<http://www.r-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> > > [[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.
