I don't see where describes the implementation of '[]'.
For example, if x is a matrix or a data.frame, how the lookup of
'colname1' is x[, 'colname1'] executed. Does R perform a lookup in the
a hash of the colnames? Is the reference O(1) or O(n), where n is the
second dim of x?
__
On 31/12/2009 3:43 PM, Saptarshi Guha wrote:
Hello,
I notice in main/arithmetic.c, that NA and NaN are encoded
differently(since every numeric NA comes from R_NaReal which is
defined via ValueOfNA)
. What is the benefit of treating these two differently? Why can't NA
be a synonym for NaN?
I do
On 31-Dec-09 20:43:43, Saptarshi Guha wrote:
> Hello,
> I notice in main/arithmetic.c, that NA and NaN are encoded
> differently(since every numeric NA comes from R_NaReal which is
> defined via ValueOfNA)
> What is the benefit of treating these two differently? Why can't NA
> be a synonym for NaN
Hello,
I notice in main/arithmetic.c, that NA and NaN are encoded
differently(since every numeric NA comes from R_NaReal which is
defined via ValueOfNA)
. What is the benefit of treating these two differently? Why can't NA
be a synonym for NaN?
Thank you
Saptarshi
(R-2.9)
___
On Dec 31, 2009, at 10:05 AM, Jens Elkner wrote:
> On Thu, Dec 31, 2009 at 08:01:15AM +, Prof Brian Ripley wrote:
>> On Thu, 31 Dec 2009, Jens Elkner wrote:
> Hi,
>
>>> does anybody know, how to enforce a certain encoding for
>>> readCitationFile()? Haven't found any usable documentation for
On Thu, Dec 31, 2009 at 08:01:15AM +, Prof Brian Ripley wrote:
> On Thu, 31 Dec 2009, Jens Elkner wrote:
Hi,
> >does anybody know, how to enforce a certain encoding for
> >readCitationFile()? Haven't found any usable documentation for this :(
>
> Really?
Yes. Well, just started to dive into
Hi.
uname -a
Linux localhost.localdomain 2.6.30.10-105.fc11.i686.PAE #1 SMP Thu Dec
24 16:41:17 UTC 2009 i686 i686 i386 GNU/Linux
[...@localhost R-2.10.1]$ pwd
/home/??/Bin/RStats/R-2.10.1
I fixed this before for previous version of R by copying part of the
mplayer tree into the R tree.
But, I
This is R-bugs. Please read the FAQs about bugs in R and learn not to
post non base R bugs to R-bugs.
On 30.12.2009 19:15, edward.grac...@drexelmed.edu wrote:
I'm seeing a probable error in the way R boot.ci calculates certain
confidence intervals. Not sure where to submit it. Should this go t
On 30.12.2009 19:04, karina lopez wrote:
do "R CMD install mypkg" an error appears : "Can't open
perl script "C:\PROGRA~1\R\R-210~1.0/bin/install": No such file or di
rectory", but i installed perl in C:\Rtools\perl\bin and i wrote it in the
path, i need to do something more???
Yes, it's ca
On Mon, Dec 28, 2009 at 08:50:13PM +0100, oehl_l...@gmx.de wrote:
[...]
> # fine as expected from help page:
> # "from+by, ..., up to the sequence value less than or equal to to"
> # thus 1+10=11 is not in
> > seq.int(1L, 10L, by=10L)
> [1] 1
>
> # of course 1+1e7 should also not be in
> # but is
On Thu, 31 Dec 2009, Jens Elkner wrote:
Hi,
does anybody know, how to enforce a certain encoding for
readCitationFile()? Haven't found any usable documentation for this :(
Really? From the help file in current versions of R (2.10.1 patched,
R-devel)
‘readCitationFile’ make use of the
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