Re: [Rd] About ParallelR and licensing of packages

2009-04-26 Thread David M Smith
I rather feel that this discussion has gone beyond a topic and tone suitable for r-devel. I would like to say however, as an author of several GPL works myself, that I am confident that REvolution Computing (my employer, in case that's not clear) is a good-faith member of the open-source community

Re: [Rd] About ParallelR and licensing of packages

2009-04-26 Thread Fellows, Ian
Matthew, I can only assume that because you posted this to R Devel that you wish for general commentary. So far as I am able to tell, Revolutions has acted in the best of faith regarding respecting the GPL license and the R community. It is unfortunate that premature claims like yours may sc

Re: [Rd] About ParallelR and licensing of packages

2009-04-26 Thread Matthew Dowle
Dear Danese, Without prejudice save as to costs I am the author of the R library "data.table". I released data.table under the provisions of the General Public License (GPL). This email is to notify REvolution that we may be in dispute. If we are in dispute then I am entitled to issue litigat

[Rd] Some extensions to class inheritance and method selection

2009-04-26 Thread John Chambers
Changes were committed today to the r-devel version of R to make S4 and S3 classes (and abnormal object types such as "environment") work together more consistently. Basically, S4 classes can now contain any S3 class or object type, and should now inherit S3 methods for these. Also, the main

Re: [Rd] Closed-source non-free ParallelR ?

2009-04-26 Thread Deepayan Sarkar
On 4/26/09, Stavros Macrakis wrote: > On Sun, Apr 26, 2009 at 7:24 AM, Ted Harding > > wrote: > > On 24-Apr-09 16:53:04, Stavros Macrakis wrote: > >> On Thu, Apr 23, 2009 at 8:54 PM, Ted Harding > >> wrote: > >> [...] > >>> ...inspires someone to incorporate the same language extension > >

Re: [Rd] Error in X11() : X11 module cannot be loaded

2009-04-26 Thread Dirk Eddelbuettel
On 24 April 2009 at 04:50, Petr Novak wrote: | Hi, | we are using R installed on several linux computer - mostly debian lenny | and also ubuntu, all 64 bit. Approx.two week ago, I started getting the | following error when I tried to plot(). | | Error in X11() : X11 module cannot be loaded | In a

Re: [Rd] Closed-source non-free ParallelR ?

2009-04-26 Thread Stavros Macrakis
On Sun, Apr 26, 2009 at 7:24 AM, Ted Harding wrote: > On 24-Apr-09 16:53:04, Stavros Macrakis wrote: >> On Thu, Apr 23, 2009 at 8:54 PM, Ted Harding >> wrote: >> [...] >>> ...inspires someone to incorporate the same language extension >>> into a GPL'd FORTRAN interpreter/compiler. I think I could

Re: [Rd] Closed-source non-free ParallelR ?

2009-04-26 Thread Simon Urbanek
On Apr 26, 2009, at 7:24 AM, (Ted Harding) wrote: On 24-Apr-09 16:53:04, Stavros Macrakis wrote: On Thu, Apr 23, 2009 at 8:54 PM, Ted Harding wrote: [...] ...inspires someone to incorporate the same language extension into a GPL'd FORTRAN interpreter/compiler. I think I could then be vulnera

Re: [Rd] Closed-source non-free ParallelR ?

2009-04-26 Thread Ted Harding
On 24-Apr-09 16:53:04, Stavros Macrakis wrote: > On Thu, Apr 23, 2009 at 8:54 PM, Ted Harding > wrote: > [...] >> ...inspires someone to incorporate the same language extension >> into a GPL'd FORTRAN interpreter/compiler. I think I could then >> be vulnerable, or they could, on the grounds that I