On Tue, Jul 19, 2011 at 8:13 AM, jeroen00ms wrote:
> I am working on a reproducible computing platform for which I would like to
> be able to _exactly_ reproduce an R object. However, I am experiencing
> unexpected randomness in some calculations. I have a hard time finding out
> exactly how it oc
On 20 July 2011 at 18:02, peter dalgaard wrote:
|
| On Jul 20, 2011, at 15:38 , Dirk Eddelbuettel wrote:
|
| >
| > On 20 July 2011 at 14:03, Jeroen Ooms wrote:
| > | >> I think Bill Dunlap's answer addressed it: the claim appears to be
false.
| > |
| > | Here is another example where there i
On Jul 20, 2011, at 15:38 , Dirk Eddelbuettel wrote:
>
> On 20 July 2011 at 14:03, Jeroen Ooms wrote:
> | >> I think Bill Dunlap's answer addressed it: the claim appears to be
> false.
> |
> | Here is another example where there is randomness that is not due to
> | the seed. On the same machi
ct.org [mailto:r-devel-bounces@r-
> project.org] On Behalf Of jeroen00ms
> Sent: July 19, 2011 9:13 AM
> To: r-devel@r-project.org
> Subject: [Rd] Randomness not due to seed
>
> I am working on a reproducible computing platform for which I would
> like to
> be able to _exactly_ rep
to:r-devel-boun...@r-project.org] On Behalf Of Duncan Murdoch
Sent: 20 July 2011 14:47
To: Jeroen Ooms
Cc: r-devel@r-project.org
Subject: Re: [Rd] Randomness not due to seed
I would guess the error below is because of Java messing around in the
hardware. It's pretty common on Windows for DLL
-project.org
[mailto:r-devel-boun...@r-project.org] On Behalf Of Duncan Murdoch
Sent: 20 July 2011 14:47
To: Jeroen Ooms
Cc: r-devel@r-project.org
Subject: Re: [Rd] Randomness not due to seed
I would guess the error below is because of Java messing around in the
hardware. It's pretty comm
I would guess the error below is because of Java messing around in the
hardware. It's pretty common on Windows for DLLs to attempt to change
the precision setting on the floating point processor; I hadn't seen
that before on Linux, but that would be my guess as to the cause.
It's also possibl
On 20 July 2011 at 14:03, Jeroen Ooms wrote:
| >> I think Bill Dunlap's answer addressed it: the claim appears to be false.
|
| Here is another example where there is randomness that is not due to
| the seed. On the same machine, the same R binary, but through another
| interface. First directly
>> I think Bill Dunlap's answer addressed it: the claim appears to be false.
Here is another example where there is randomness that is not due to
the seed. On the same machine, the same R binary, but through another
interface. First directly in the shell:
> sessionInfo()
R version 2.13.1 (2011-0
On 11-07-19 8:01 PM, Mike Marchywka wrote:
Date: Tue, 19 Jul 2011 06:13:01 -0700
From: jeroen.o...@stat.ucla.edu
To: r-devel@r-project.org
Subject: [Rd] Randomness not due to seed
I am working on a reproducible computing platform for which I
> Date: Tue, 19 Jul 2011 06:13:01 -0700
> From: jeroen.o...@stat.ucla.edu
> To: r-devel@r-project.org
> Subject: [Rd] Randomness not due to seed
>
> I am working on a reproducible computing platform for which I would like to
>
Of jeroen00ms
> Sent: Tuesday, July 19, 2011 6:13 AM
> To: r-devel@r-project.org
> Subject: [Rd] Randomness not due to seed
>
> I am working on a reproducible computing platform for which I would like to
> be able to _exactly_ reproduce an R object. However, I am experiencing
&g
I am working on a reproducible computing platform for which I would like to
be able to _exactly_ reproduce an R object. However, I am experiencing
unexpected randomness in some calculations. I have a hard time finding out
exactly how it occurs. The code below illustrates the issue.
mylm1 <- lm(di
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