R licence
On 07/04/2011 7:47 AM, Matthew Dowle wrote:
Peter, If the proprietary part of REvolution's product is ok, then surely Stanislav's suggestion is too. No?
Revolution has said that they believe they follow the GPL, and they haven't been challenged on that. If you think that they don't, you could let an R copyright holder know what they're doing that's a license violation. My opinion of Stanislav's question is that he doesn't give enough information to answer. If he is planning to distribute R as part of his product, he needs to follow the GPL. If not, I don't think any R copyright holder has anything to complain about. Duncan Murdoch
Matthew "peter dalgaard"<PDalgd at gmail.com> wrote in message news:BE157CF5-9B4B-45A0-A7D4-363B774F114A at gmail.com...
On Apr 7, 2011, at 09:45 , Stanislav Bek wrote:
Hi, is it possible to use some statistic computing by R in proprietary software? Our software is written in c#, and we intend to use http://rdotnet.codeplex.com/ to get R work there. Especially we want to use loess function.
You need to take legal advice to be certain, but offhand I would say that this kind of circumvention of the GPL is _not_ allowed. It all depends on whether the end product is a "derivative work", in which case, the whole must be distributed under a GPL-compatible licence. The situation around GPL-incompatible plug-ins or plug-ins interfacing to R in GPL -incompatible software is legally murky, but using R as a subroutine library for proprietary code is clearly crossing the line, as far as I can tell. -- Peter Dalgaard Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd.mes at cbs.dk Priv: PDalgd at gmail.com
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