[R] vectorization question

[Alberto Murta]

Thank you very much to Tony Plate for his really clear explanation, and to 
Prof Ripley for his time solving this deficiency (IMHO)


On Friday 15 August 2003 08:44, Martin Maechler wrote:
>
> Thank you, Tony.  This certainly was the most precise
> explanation on this thread.
>
> Everyone note however, that this has been improved (by Brian
> Ripley) in the current R-devel {which should be come R 1.8 in October}.
> There, also "$<-" assignment of data frames does check things
> and in this case will do the same replication as the [,] or [[]]
> assignments do.
> For back compatibility (with S-plus and earlier R versions), I'd
> still recommend using bracket "[" rather than "$" assignment for
> data frames.
>
> Martin Maechler <maechler at stat.math.ethz.ch>	http://stat.ethz.ch/~maechler/
> Seminar fuer Statistik, ETH-Zentrum  LEO C16	Leonhardstr. 27
> ETH (Federal Inst. Technology)	8092 Zurich	SWITZERLAND
> phone: x-41-1-632-3408		fax: ...-1228			<><
>
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-- 
                                         Alberto G. Murta
Institute for Agriculture and Fisheries Research (INIAP-IPIMAR) 
Av. Brasilia, 1449-006 Lisboa, Portugal | Phone: +351 213027062
Fax:+351 213015948 | http://www.ipimar-iniap.ipimar.pt/pelagicos/