Martin Maechler wrote:
>
> Your patch is basically only affecting the default
> method = "pearson". For (most) other cases, 'y = NULL' would
> still remain *the* way to save computations, unless we'd start
> to use an R-level equivalent [which I think does not exist] of
> your C trick (DATAPT
> Wacek Kusnierczyk
> on Tue, 24 Mar 2009 00:39:58 +0100 writes:
> (this post suggests a patch to the sources, so i allow myself to divert
> it to r-devel)
> Bert Gunter wrote:
>> x a numeric vector, matrix or data frame.
>> y NULL (default) or a vector, matrix o
William Dunlap wrote:
> Doesn't Fortran still require that the arguments to
> a function not alias each other (in whole or in part)?
>
what do you mean? the following works pretty fine:
echo '
program foo
implicit none
integer, target :: a = 1
integer, poi
t.org] On Behalf Of William Dunlap
> Sent: Monday, March 23, 2009 6:18 PM
> To: Wacek Kusnierczyk; r-devel@r-project.org
> Subject: Re: [Rd] [R] variance/mean
>
> Doesn't Fortran still require that the arguments to
> a function not alias each other (in whole or in part)?
&g
om: r-devel-boun...@r-project.org
> [mailto:r-devel-boun...@r-project.org] On Behalf Of Wacek Kusnierczyk
> Sent: Monday, March 23, 2009 4:40 PM
> To: r-devel@r-project.org
> Cc: r-h...@r-project.org; rkevinbur...@charter.net; Bert Gunter
> Subject: Re: [Rd] [R] variance/mean
>
(this post suggests a patch to the sources, so i allow myself to divert
it to r-devel)
Bert Gunter wrote:
> x a numeric vector, matrix or data frame.
> y NULL (default) or a vector, matrix or data frame with compatible
> dimensions to x. The default is equivalent to y = x (but more efficient).