> -Original Message-
> From: Martin Morgan [mailto:mtmor...@fhcrc.org]
> Sent: Thursday, 2 July 2009 10:58 PM
> To: Troy Robertson
> Cc: 'r-devel@R-project.org'
> Subject: Re: [Rd] V2.9.0 changes [Sec=Unclassified]
>
> Troy Robertson wrote:
> > Well
On Thu, Jul 2, 2009 at 1:37 AM, Troy Robertson wrote:
> Well...
>
> My performance problems were in the pass-by-value semantics of R.
>
> I have just changed my classes to inherit from .environment and then moved
> data members from S4 slots to the .xData objects as Martin suggested.
>
Note that
Fish
> Australian Antarctic Division
> Channel Highway, Kingston 7050
> PH: 03 62323571
> troy.robert...@aad.gov.au
>
>
>> -Original Message-
>> From: Martin Morgan [mailto:mtmor...@fhcrc.org]
>> Sent: Tuesday, 23 June 2009 11:25 PM
>> To: Troy Robertson
>> C
Antarctic Division
Channel Highway, Kingston 7050
PH: 03 62323571
troy.robert...@aad.gov.au
> -Original Message-
> From: Martin Morgan [mailto:mtmor...@fhcrc.org]
> Sent: Tuesday, 23 June 2009 11:25 PM
> To: Troy Robertson
> Cc: 'r-devel@R-project.org'
> Subject:
arctic Division
> TR> Channel Highway, Kingston 7050
> TR> PH: 03 62323571
> TR> troy.robert...@aad.gov.au
>
>
> >> -----Original Message-----
> >> From: Antonio, Fabio Di Narzo [mailto:antonio.fa...@gmail.com]
> >> Sent: Tuesday, 2
Martin Maechler wrote:
>
> But then, as professional statisticians, we should consider the
> famous
>>>> Prediction is very difficult, especially about the future <<
> attributed to Physics Nobel Prize winner Niels Bohr.
...and quotations are even more difficult!
A number of people are known
gt; Sent: Tuesday, 23 June 2009 6:22 PM
>> To: Troy Robertson
>> Cc: r-devel@R-project.org
>> Subject: Re: [Rd] V2.9.0 changes [Sec=Unclassified]
>>
>> Not a direct answer to your question, but...
>> You might consider using
e tomorrow.
Cheers
Troy
> -Original Message-
> From: Martin Morgan [mailto:mtmor...@fhcrc.org]
> Sent: Tuesday, 23 June 2009 11:25 PM
> To: Troy Robertson
> Cc: 'r-devel@R-project.org'
> Subject: Re: [Rd] V2.9.0 changes [Sec=Unclassified]
>
> Troy Robertson wrote:
> Sent: Tuesday, 23 June 2009 6:22 PM
> To: Troy Robertson
> Cc: r-devel@R-project.org
> Subject: Re: [Rd] V2.9.0 changes [Sec=Unclassified]
>
> Not a direct answer to your question, but...
> You might consider using the R.oo package, from H. Bengtsson. It's
> very stable,
Troy Robertson wrote:
> Hi all,
>
>
>
> Prefix: I am a frustrated Java coder in R.
ah good, if you're frustrated with Java you'll find R very different ;)
>
>
>
> I am coding a medium sized ecosystem modelling program in R. I have changed
> to using S4 objects and it has cost me an order
Not a direct answer to your question, but...
You might consider using the R.oo package, from H. Bengtsson. It's
very stable, written in pure R, and cleanly allows you to do
pass-by-reference OO programming, with no tricks.
HTH,
af
2009/6/23 Troy Robertson :
> Hi all,
>
>
>
> Prefix: I am a frustr
Hi all,
Prefix: I am a frustrated Java coder in R.
I am coding a medium sized ecosystem modelling program in R. I have changed to
using S4 objects and it has cost me an order of magnitude in execution speed
over the functional model. I cannot afford this penalty and have found that it
is
12 matches
Mail list logo
