Re: [Rd] Bug with zlib version checking for zlib >= 1.2.10, R version 3.3.2

2017-02-12 Thread Justin Bedő
haracters, including 1.2.10. > > in SVN r71889 (2017-01-03): > > https://github.com/wch/r-source/commit/a0fe05ce9d0937ad2334bb370785cb22c71e592b > > /Henrik Thanks, sorry I missed that. Justin signature.asc Description: PGP signature __

[Rd] Bug with zlib version checking for zlib >= 1.2.10, R version 3.3.2

2017-02-12 Thread Justin Bedő
uot;, 5) < 0 && (strlen(ZLIB_VERSION) < 6 || strncmp(ZLIB_VERSION, "1.2.10", 6) < 0)); #else exit(1); #endif This could of course be improved to properly parse the string. Cheers, Justin signature.asc Description: PGP signature ___

Re: [Rd] Status of reserved keywords and builtins

2013-12-13 Thread Justin Talbot
e language functions and are found via the global environment at compile time may be inlined." This is an area where a small change to the language spec would impact essentially no users and would result in a language that could be executed much more efficiently. Justin Talbot ___

[Rd] Multiple return values / bug in rpart?

2013-08-12 Thread Justin Talbot
artpl.R is used anywhere, so this may have never caused an issue. But it's tripping up my R compiler. Thanks, Justin Talbot __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel

[Rd] pmatch inconsistency

2013-07-15 Thread Justin Talbot
gt; pmatch(c('a','ab'), c('abc', 'ax'), duplicates.ok=FALSE) [1] NA 1 It would be great if this were documented. At a higher level, is pmatch intended to be the same as the argument matching algorithm or is it just supposed to be "close"? Justin __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel

[Rd] Bug in list subset assignment due to NAMED optimization

2013-01-08 Thread Justin Talbot
e NAMED value causing the necessary copy to be made so the RHS is returned from the assignment. Would it be sufficient to add a check to do_subassign2_dflt and do_subassign3_dflt that creates a duplicate of the LHS if the LHS & RHS are the same object? Justin [[alternative HTML versio

Re: [Rd] There is pmin and pmax each taking na.rm, how about psum?

2012-11-04 Thread Justin Talbot
es the language a bit more complicated, but that might be the right trade off. I would strongly suggest adding pany and pall as well. I find myself wishing for them all the time. prange would be nice as well. Justin __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel

Re: [Rd] There is pmin and pmax each taking na.rm, how about psum?

2012-11-01 Thread Justin Talbot
has two simple reduction functions that don't have corresponding operators: range and length. Having a prange operator and a plength operator would nicely round out the language. Justin __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel

Re: [Rd] On R performance

2012-03-11 Thread Justin Talbot
> > Thanks for the clarification Justin. What about the S4 classes > and methods? The design resembles CLOS, and currently this > is interpreted R code. Have you addressed performance issues > associated with this? What relative impact does this have compared > with other

Re: [Rd] On R performance

2012-03-10 Thread Justin Talbot
Unladen Swallow, have not been particularly successful. It remains to be seen how well R would map to LLVM. Justin __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel

Re: [Rd] On R performance

2012-03-10 Thread Justin Talbot
> > On 8 March 2012 at 11:06, Justin Talbot wrote: > | I've been working on an R performance academic project for the last > | couple years which has involved writing an interpreter for R from > | scratch and a JIT for R vector operations. > > Cool.  I think John mentio

[Rd] On R performance

2012-03-09 Thread Justin Talbot
unctions would have to be checked and updated? This is a severe hinderance on improving performance. I see little value is debating changes to the language semantics until we've addressed this low hanging fruit and at least tried to make the current R

[Rd] sma installation error

2011-11-30 Thread Justin
z' had non-zero exit status == My system is Linux cc01 2.6.18-238.19.1.el5 #1 SMP Fri Jul 15 07:31:24 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux Can anyone help?   Thanks, Justin [[alternative HTML version deleted]] __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel

[Rd] Language definition question - order of argument side effects

2011-09-30 Thread Justin Talbot
", but doesn't say anything about evaluation order. In general, for primitive and internal functions, is a particular evaluation order for the arguments guaranteed? Thanks, Justin Talbot __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel

[Rd] Question about image() behavior

2009-11-25 Thread Justin McGrath
vertical gap between x=5 and x=100. Is this the correct behavior? Could there be an option added to choose between these two behaviors? Either way, it should be stated in the documentation. Justin [[alternative HTML version deleted]] __ R-devel@r

Re: [Rd] eurodist example dataset is malformed

2009-08-14 Thread Justin Donaldson
hics grDevices utils datasets methods base > -Justin On Thu, Aug 13, 2009 at 4:48 AM, Gavin Simpson wrote: > On Wed, 2009-08-12 at 20:26 -0400, Justin Donaldson wrote: > > The eurodist dataset (my favorite for mds) is malformed. Instead of a > > standard distance matrix

[Rd] eurodist example dataset is malformed

2009-08-12 Thread Justin Donaldson
1498 206 409 ... Best, -Justin -- Justin Donaldson PhD Candidate, Informatics Indiana University http://www.scwn.net aim: iujjd twitter: jjdonald [[alternative HTML version deleted]] __ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel