[Rd] Bug in the "reformulate" function in stats package

[Saren Tasciyan]

So here is it as txt file. It is funny that a R file is restricted in 
R-devel mailing list.

Anyhow, in this case R-core have a few choices here:

  * ignore my solution
  * show that it is actually bad or worse
  * consider adding it

Considering, that it is a minor change from previous version and doesn't 
bother the existing usage, I saw the necessity to submit it here. But 
newer solution in the 3.6.0 may solve other problems too. I can't argue 
against that. This solves my part of the problem, without affecting 
existing usage of the function.

If R-core is hard to convince, because this is just who they are, then I 
should consider moving to other platforms. But so far, it seems to me 
that they are doing a great job. I don't mind also someone rejecting 
this tiny fix I have found, which works for me now. I can only thank for 
their time spent considering it.

Actually, I had in mind a more complex but cleaner solution with 
recursive functions to implement any kind of reformulation (not only 
with "+"). But I simple lack the big picture on R expressions, I need to 
read more. Maybe I will come back with that in the future.

Cheers to all,

Saren

On 18.04.19 17:51, Ben Bolker wrote:
>    I appreciate your enthusiasm and persistence for this issue, but I
> suspect you may have trouble convincing R-core to adopt your changes --
> they are "better", "easier", "more intuitive" for you ... but how sure
> are you they are completely backward compatible, have no performance
> issues, will not break in unusual cases ... ?
-- 
Saren Tasciyan
/PhD Student / Sixt Group/
Institute of Science and Technology Austria
Am Campus 1
3400 Klosterneuburg, Austria



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