[R] Legality of copying from Splus.

[Pikounis, Bill]

Hi Rolf, 

I was replyinhg to this and just received Professor Ripley's reply posted on
r-help.  So I just echo his  useful comments and suggestions, with one added
suggestion:

Ask Insightful -- after all, it is their copyrighted software.

Best Regards,
Bill

> -----Original Message-----
> From: Rolf Turner [mailto:rolf at math.unb.ca]
> Sent: Thursday, June 20, 2002 9:27 AM
> To: r-help at stat.math.ethz.ch
> Subject: [R] Legality of copying from Splus.
> 
> 
> 
> A few days ago, I sent a question to the r-help list enquiring
> about the
> 
> 		        *** LEGALITY ***
> 
> of porting a function from Splus into R.  As a particular example,
> I referred to error.bar.
> 
> Several people posted code for various versions of error.bar which
> they had written, but that was NOT WHAT I WAS ASKING FOR/ABOUT!!!
> 
> [Can't anybody ***read*** these days?]
> 
> I asked:  IS IT LEGAL/ETHICAL to take a copy of an Splus function
> (written in raw S), ***such as*** error.bar, and make it into an R
> function?  Is it OK to do this for one's own personal use?  What
> about making such a function available to other R users (who may not
> have Splus licenses)?
> 
> Would the big guns from the R community please comment on this?
> 
> 					cheers,
> 
> 						Rolf Turner
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