[R-sig-eco] Improving efficiency in a simulation model

[Julian Burgos]

You may also want to take a look at the simecol pakage.

http://simecol.r-forge.r-project.org/

Julian

Dulce M. Bustamante wrote:
> Hello,
> 
> I am pursuing the development of an individual-based model in R but 
> there is a series of technical issues for which I don't know where to 
> find information.
> 
> I have written R functions before for simple simulations, but this model 
> will have more complexities and each individual will need to be 
> evaluated in many aspects at each time step.  My major concern is that I 
> don't know how to make my program more efficient in terms of using 
> computer memory and computation time.
> 
> What is the maximum matrix size that R could handle?
> 
> I have read that R could interact with C and that that can be an 
> "extremely effective mode for numerical computation" (Bates and DebRoy, 
> DSC 2003 Working Papers).  I have looked for papers on HOW TO make R and 
> C interact but I can not find many references and would appreciate 
> suggestions.
> 
> Would my model benefit from using object oriented programming in terms 
> of making the procedures go faster in terms of updating matrices after 
> time steps?
> 
> Thank you for your time.
> 
> Dulce M. Bustamante
> Ph.D. Candidate
> Florida Medical Entomology Laboratory
> University of Florida
> 200 9th Street SE
> Vero Beach, FL 32962
> 
> _______________________________________________
> R-sig-ecology mailing list
> R-sig-ecology at r-project.org
> https://stat.ethz.ch/mailman/listinfo/r-sig-ecology