[R] S-Plus function merge.data.frame() in R?

[Thomas Lumley]

On Tue, 9 Nov 1999, Kurt Hornik wrote:

> >>>>> Thomas Lumley writes:
> > It might be easier to port the merge.data.frame function from the
> > Statlib S archive, which is less likely to have been optimised for
> > S-PLUS. The other advantage is that it would have a better chance of
> > being legal to distribute the resulting code.
> 
> Better  chance yes, but are we sure about this?  The file says
> 
>                  Copyright (1994)
> Contributed by:  Raymond W. FALK, Ph.D. (24Sep1994, 18Oct1994)
> 
> so maybe we should contact the author first?

Definitely.  But it seems clear that it would be at least ok to port it
for one's own use and most people don't mind their code being
redistributed if you ask first (with, of course, important exceptions).

	-thomas

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