[R] table and getting rownames

[Søren Merser]

exactly what i needed
thanks a lot
soren

----- Original Message ----- 
From: "Peter Dalgaard" <p.dalgaard at biostat.ku.dk>
To: <merser at tiscali.dk>
Cc: "R-help" <r-help at stat.math.ethz.ch>
Sent: Tuesday, August 17, 2004 2:35 PM
Subject: Re: [R] table and getting rownames


> 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
>