[R] binding vectors or matrix using their names

[Stephane DRAY]

Hi Tom,

Your approach did not work,

 > do.call("cbind", as.list(my.names))
      [,1] [,2]
[1,] "x"  "x2"

but it helps me a lot to find the good one:

do.call("cbind", as.list(parse(text=my.names)))

Thanks,


At 14:56 24/03/2004, Tom Blackwell wrote:

>I believe the syntax is
>
>result <- do.call(cbind, as.list(my.names))
>
>Haven't checked this on your example, though.
>
>-  tom blackwell  -  u michigan medical school  -  ann arbor  -
>
>On Wed, 24 Mar 2004, Stephane DRAY wrote:
>
> > Hello list,
> > I have two vectors x and x2:
> >
> > x=runif(10)
> > x2=runif(10)
> >
> > and one vectors with their names :
> >
> > my.names=c("x","x2")
> >
> > I would like to cbind these two vectors using their names contained in the
> > vector my.names.
> > I can create a string with comma
> > ncomma=paste(my.names,collapse=",")
> >
> > and now, I just need a function to transform this string into a adequate
> > argument for cbind:
> >
> > cbind(afunction(ncomma))
> >
> > Is there in R a function that can do the job ? If not, how can I do it ??
> >
> > Thanks in advance,
> > Sincerely.
> >
> >
> > Stéphane DRAY
> > 
> --------------------------------------------------------------------------------------------------
> >
> > Département des Sciences Biologiques
> > Université de Montréal, C.P. 6128, succursale centre-ville
> > Montréal, Québec H3C 3J7, Canada
> >
> > Tel : 514 343 6111 poste 1233
> > E-mail : stephane.dray at umontreal.ca
> > 
> --------------------------------------------------------------------------------------------------
> >
> > 
> Web                                          http://www.steph280.freesurf.fr/
> >
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Stéphane DRAY
-------------------------------------------------------------------------------------------------- 

Département des Sciences Biologiques
Université de Montréal, C.P. 6128, succursale centre-ville
Montréal, Québec H3C 3J7, Canada

Tel : 514 343 6111 poste 1233
E-mail : stephane.dray at umontreal.ca
-------------------------------------------------------------------------------------------------- 

Web                                          http://www.steph280.freesurf.fr/