[R] converting a list with named member to a vector maintaining original names

Ista Zahn istazahn at gmail.com
Tue Jun 24 20:32:27 CEST 2014


How about

x <- unlist(test)
(names(x) <- rep(names(test), times = sapply(test, length)))

?

See also unlist2 from
http://www.bioconductor.org/packages/release/bioc/html/AnnotationDbi.html

Best,
Ista

On Tue, Jun 24, 2014 at 12:56 PM, C Lin <baccts at hotmail.com> wrote:
> Dear R users,
>
> I have a list that I'd like to convert to a vector while preserving the original names.
> For example:
>
> test <- list(ABCC2=37280,ABCC5=c(12268,13308));
>
> If I do unlist, it automatically renamed the ABCC5 to ABCC51 and ABCC52
>> unlist(test)
>  ABCC2 ABCC51 ABCC52
>  37280  12268  13308
>
> How do I retained the original names so I'll get:
> ABCC2 37280
> ABCC5 12268
> ABCC5 13308
>
> Thank you in advance for your help.
>
> Lin
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