[R] table and getting rownames

[Peter Dalgaard]

merser at tiscali.dk writes:

> hi there
> say that i have this table
> >x<-table(adoc, oarb)
> >x
>                oarb
>                       0   1
> adoc
>     ab                1   0
>     am                5   1
>     ba               14   1
>     cc              271   3
>     ch               87   2
>     dz              362   6
>     fl                7   0
>     fs               84   2
> 
> is there an easy way to get the row names or row numbers of rows with
> oarb==0
> i.e. (ab, fl) or (1, 7)

Something like

which(x[,"1"]==0)
rownames(x)[x[,"1"]==0]

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907