Re: [R] creating names for lists

From: Henrique Dallazuanna <wwwhsd_at_gmail.com>
Date: Fri, 18 Jul 2008 11:11:14 -0300

Try:

foo <- list(3)
names(foo) <- paste(a, b)

On Fri, Jul 18, 2008 at 11:03 AM, <tolga.i.uzuner_at_jpmorgan.com> wrote:
> Dear R Users,
> How can I create names for lists within a function where the name itself
> is a function of several variables ?
>
>> a<-1
>> b<-2
>> paste(a,b)
> [1] "1 2"
>> foo<-list(paste(a,b)=3) <<<===== DOES NOT WORK
> Error: unexpected '=' in "foo<-list(paste(a,b)="
>> eval(paste(a,b))
> [1] "1 2"
>> foo<-list(eval(paste(a,b))=3) <<<===== NEITHER DOES THIS
> Error: unexpected '=' in "foo<-list(eval(paste(a,b))="
>> foo<-list("1 2"=3)
>> foo
> $`1 2`
> [1] 3
>
> The last example above is the desired outcome, but the a and the b
> variable will of course take on different values through the execution of
> the function.
>
> Thanks in advance,
> Tolga
>
>
> Generally, this communication is for informational purposes only
> and it is not intended as an offer or solicitation for the purchase
> or sale of any financial instrument or as an official confirmation
> of any transaction. In the event you are receiving the offering
> materials attached below related to your interest in hedge funds or
> private equity, this communication may be intended as an offer or
> solicitation for the purchase or sale of such fund(s). All market
> prices, data and other information are not warranted as to
> completeness or accuracy and are subject to change without notice.
> Any comments or statements made herein do not necessarily reflect
> those of JPMorgan Chase & Co., its subsidiaries and affiliates.
>
> This transmission may contain information that is privileged,
> confidential, legally privileged, and/or exempt from disclosure
> under applicable law. If you are not the intended recipient, you
> are hereby notified that any disclosure, copying, distribution, or
> use of the information contained herein (including any reliance
> thereon) is STRICTLY PROHIBITED. Although this transmission and any
> attachments are believed to be free of any virus or other defect
> that might affect any computer system into which it is received and
> opened, it is the responsibility of the recipient to ensure that it
> is virus free and no responsibility is accepted by JPMorgan Chase &
> Co., its subsidiaries and affiliates, as applicable, for any loss
> or damage arising in any way from its use. If you received this
> transmission in error, please immediately contact the sender and
> destroy the material in its entirety, whether in electronic or hard
> copy format. Thank you.
> Please refer to http://www.jpmorgan.com/pages/disclosures for
> disclosures relating to UK legal entities.
> [[alternative HTML version deleted]]
>
> ______________________________________________
> 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.
>

-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

______________________________________________
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.
Received on Fri 18 Jul 2008 - 14:20:24 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Fri 18 Jul 2008 - 15:31:55 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.

list of date sections of archive