Re: [Rd] Syntactically valid names

From: Hadley Wickham <hadley_at_rice.edu>
Date: Tue, 05 Jul 2011 19:40:17 -0400

On Tue, Jul 5, 2011 at 7:31 PM, steven mosher <moshersteven_at_gmail.com> wrote:
>  regexp approach is kinda ugly
> http://www.r-bloggers.com/testing-for-valid-variable-names/

Hmm, I think that suggests a couple of small bug in make.names:

> make.names("...")

[1] "..."

> make.names("..1")

[1] "..1"

and

> x <- paste(rep("x", 1e6), collapse = "")
> x == make.names(x)
[1] TRUE Hadley

-- 
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/

______________________________________________
R-devel_at_r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-devel
Received on Wed 06 Jul 2011 - 00:57:35 GMT

This quarter's messages: by month, or sorted: [ by date ] [ by thread ] [ by subject ] [ by author ]

All messages

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 Wed 06 Jul 2011 - 01:10:06 GMT.

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

list of date sections of archive