[R] pairlists (was: data manipulation function descriptions)

[Warnes, Gregory R]

> -----Original Message-----
> From: Luke Tierney [mailto:luke at stat.uiowa.edu]

> R does not provide a pairlist data structure. This creates a dilemma
> when translating some list-based xlispstat code, or, more
> importantly, when implementing an algorithm for which parilists are
> the natural data structure to use.
> ...
> Pairlists were and still are used internally for many things. 
> ...

Wouldn't it, therefore, make sense to provide a 'pairlist' package which
exposes the internal pairlist structure and provides appropriate functions
(car, cdr, ...), instead of expecting people to keep re-implementing these
features?

-Greg


LEGAL NOTICE\ Unless expressly stated otherwise, this message is ... [[dropped]]