[R] Legality of copying from Splus.

Michael Camann mac24 at humboldt.edu
Thu Jun 20 17:11:43 CEST 2002

On Thu, 20 Jun 2002, Rolf Turner wrote:

> [Can't anybody ***read*** these days?]

Evidently I (and others) misunderstood your request.  I thought you were
asking about the specific function error.bar().  Since your question is
more general, I assume that you actually have an S-Plus license or that
you have unlicensed access to S-Plus code.  If that's the case, have you
***read*** the copyright?  I should think that it's rather clear on this

While on the topic, I suggest that you read the Free Software Foundation
GNU Public License, under which R and many (all?) of its contributed
packages are  released.  It too is quite specific regarding such things as
how R code  propogates its open source model into deriviative software
built onto R or R packages licensed under the GPL.

BTW, does anyone else on the list know the license status of code posted
to the list, e.g. the ebars() function that I posted in response to Rolf's
inquiry?  How about when that code is later incorporated into a package
released under a specific license?  For example, the ebars() function I
posted is part of a toolset for analyses of ecological data that I plan
to release later this year under the GPL.  Did I relinquish my copyright
by posting it here without specific reference to it's license for use?

--Mike C.

Michael A. Camann                                  Voice: 707-826-3676
Associate Professor of Zoology                       Fax: 707-826-3201
Institute for Forest Canopy Research     Email: mac24 at axe.humboldt.edu
Department of Biology                            ifcr at axe.humboldt.edu
Humboldt State University
Arcata, CA 95521


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