[R] a simple list question

[David L Carlson]

Combining your, Rolf, and Michael's suggestions makes it possible 
to eliminate the lappy():

mget(ls()[grep("^x\\.[[:digit:]]+$", ls())], .GlobalEnv)

----------------------------------------------
David L Carlson
Associate Professor of Anthropology
Texas A&M University
College Station, TX 77843-4352

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Rui Barradas
> Sent: Wednesday, November 07, 2012 9:49 AM
> To: Erin Hodgess
> Cc: R help
> Subject: Re: [R] a simple list question
> 
> Hello,
> 
> My solution is too complicated, the assign() is not needed.
> 
> 
> lapply( ls()[grep("^x\\.[[:digit:]]+$", ls())], get)
> 
> 
> Hope this helps,
> 
> Rui Barradas
> Em 07-11-2012 11:44, Rui Barradas escreveu:
> > Hello,
> >
> > Try the following.
> >
> > x.1 <- 1:3
> > y.1 <- 1:4
> > x.2 <- 5:10
> >
> >
> > vecs <- ls()[grep("^x\\.[[:digit:]]+$", ls())]
> > lapply(vecs, function(.x) assign(.x, get(.x)))
> >
> >
> > Then you can use vecs to attribute names() to the result.
> >
> > Hope this helps,
> >
> > Rui Barradas
> >
> > Em 07-11-2012 05:35, Erin Hodgess escreveu:
> >> Dear R People
> >>
> >> I have a simple list question, please:
> >>
> >> I have vectors x.1, x.2,...x.n (each of different lengths) and I
> would
> >> like to combine them into a list.
> >>
> >> However, I'm sure that there is a better way to do this than to type
> >> in x <- list(x.1,x.2,x.3,...)
> >>
> >>
> >> Is there a better way to do this, please?  I was thinking about
> >> possibly using grep?
> >>
> >> Thanks,
> >> Sincerely,
> >> Erin
> >>
> >>
> >
> > ______________________________________________
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> > PLEASE do read the posting guide
> > http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> 
> ______________________________________________
> R-help at 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.