[R] Timings of function execution in R [was Re: R in Industry]

[Prof Brian Ripley]

On Fri, 9 Feb 2007, Frank E Harrell Jr wrote:

[...]

> I looked in all the code for the Hmisc and Design packages and didn't find a 
> single example where pmin or pmax did not have 2 arguments.  So I think it is 
> important to have pmin2 and pmax2.

Why?  Do you have any reason to suppose that these will be significantly 
faster than the general case of 1 or more arguments?  (The current code 
fails obscurely for 0 args.)

What I am playing with are fast internal pmin.int and pmax.int for the 
case of all atomic vectors and no classes.

-- 
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