Re: [Rd] Citation if copying R base code

2014-11-06 Thread Peter Meissner
Thank you all for your advise, comments and suggestions. To keep it simple and play it fair and save, I choose to take the following actions: Within DESCRIPTION - the License now reads: License: GPL (>= 2) - the Authors are specified as Authors@R: as.person(c( "Peter Meissner [aut, cr

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Duncan Murdoch
On 06/11/2014 10:05 AM, Peter Meissner wrote: But how might I do that? Writing GPL in DESCRIPTION and putting my name in every R-file? You should probably choose a version to be unambiguous, e.g. use "GPL-2 | GPL-3". There's a section on this in "Writing R Extensions". The files that you w

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Gábor Csárdi
On Thu, Nov 6, 2014 at 10:05 AM, Peter Meissner wrote: > But how might I do that? > > Writing GPL in DESCRIPTION and putting my name in every R-file? Maybe see http://www.gnu.org/licenses/gpl-howto.html It has some example header that you can put in each source file. Gabor > > > > Am 2014-11-06

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Hadley Wickham
> Yes, that's right. We often enter lines like > > Copyright (C) 1997--2014 The R Core Team > > into the sources, but I suspect that those don't legally imply a copyright > transfer, at least where I live. It's also not clear that R Core Team is a legal entity that can own copyright. Hadley --

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Duncan Murdoch
On 06/11/2014 9:49 AM, Hadley Wickham wrote: > Theoretically you could ask the copyright holder of that piece of code > whether he/she/it allows you to use a different license. This brings up > another question: who is formally the copyright holder of the R source code > (and documentation)? The

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Peter Meissner
But how might I do that? Writing GPL in DESCRIPTION and putting my name in every R-file? Am 2014-11-06 15:46, schrieb Hadley Wickham: And if yes how to do it best? What is the standard procedure here? Should I include base package authors as contributors in DESCRIPTION??? Am I allowed to us

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Gábor Csárdi
On Thu, Nov 6, 2014 at 9:46 AM, Hadley Wickham wrote: >>> And if yes how to do it best? What is the standard procedure here? >>> Should I include base package authors as contributors in DESCRIPTION??? >>> >>> Am I allowed to use MIT + file license with that or is it wrong to do so? >> >> No, you m

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Hadley Wickham
> Theoretically you could ask the copyright holder of that piece of code > whether he/she/it allows you to use a different license. This brings up > another question: who is formally the copyright holder of the R source code > (and documentation)? The R Foundation, the individual who contributed th

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Hadley Wickham
>> And if yes how to do it best? What is the standard procedure here? >> Should I include base package authors as contributors in DESCRIPTION??? >> >> Am I allowed to use MIT + file license with that or is it wrong to do so? > > No, you must use the GPL, since the code you copied is licensed under

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Henrik Bengtsson
On Nov 6, 2014 3:36 AM, "Duncan Murdoch" wrote: > > On 06/11/2014, 5:57 AM, Peter Meissner wrote: > > Dear Listeners, > > > > ... also I read the CRAN policies and tried to solve those questions > > myself I feel very much in the need of good advise ... > > > > > > I am currently finishing a packa

Re: [Rd] Citation if copying R base code

2014-11-06 Thread Duncan Murdoch
On 06/11/2014, 5:57 AM, Peter Meissner wrote: > Dear Listeners, > > ... also I read the CRAN policies and tried to solve those questions > myself I feel very much in the need of good advise ... > > > I am currently finishing a package that -- to solve some nasty problems > with dirty data -- u

[Rd] Citation if copying R base code

2014-11-06 Thread Peter Meissner
Dear Listeners, ... also I read the CRAN policies and tried to solve those questions myself I feel very much in the need of good advise ... I am currently finishing a package that -- to solve some nasty problems with dirty data -- uses its own as.Date() equivalent methods (i.e. its own gene