[R] Naming Convention

[Prof Brian Ripley]

On Thu, 13 Jan 2005, [ISO-8859-1] Romain François wrote:

>
> Christoph Scherber a écrit :
>
>> Dear Reinhold,
>> 
>> All entries are allowed except "price swap" or "price_swap"
>
> As a matter of fact, the syntax price_swap is now allowed (since R 1.9.1 I 
> think). The rest is a choice issue ... deprends on you.

Even "price swap" is allowed, but you will have to work a bit harder, e.g. 
call data.frame() with check.names=FALSE and quote the name (preferably 
with backticks) when you want to use it.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595