Re: [Rcpp-devel] Is there a way to pass references to R

2012-12-22 Thread Søren Højsgaard
roject.org] On Behalf Of Dirk Eddelbuettel Sent: 22. december 2012 01:41 To: mat...@berkeley.edu Cc: rcpp-devel@lists.r-forge.r-project.org Subject: Re: [Rcpp-devel] Is there a way to pass references to R Nick, On 21 December 2012 at 16:16, Nick Matzke wrote: | I'm working on a problem t

Re: [Rcpp-devel] Is there a way to pass references to R

2012-12-21 Thread Dirk Eddelbuettel
Nick, On 21 December 2012 at 16:16, Nick Matzke wrote: | I'm working on a problem that involves calculating a very | large, sparse transition probability matrix, P. It takes | significant time to run through the whole matrix, check all | the transitions, and put in the appropriate probabiliti

[Rcpp-devel] Is there a way to pass references to R

2012-12-21 Thread Nick Matzke
Hi, I'm working on a problem that involves calculating a very large, sparse transition probability matrix, P. It takes significant time to run through the whole matrix, check all the transitions, and put in the appropriate probabilities, based on multiplying parameter values j, d, e, etc.