Re: [R] parallel computation in plyr 1.7

2012-01-16 Thread Hadley Wickham
Please see https://github.com/hadley/plyr/issues/60 Hadley On Thu, Jan 12, 2012 at 11:54 AM, abhagwat wrote: > The code below shows that > (1) the way to activate the parallel backend indeed is to use 'registerDoMC' > (2) the function d_ply does NOT accept the argument parallel, while the > funct

Re: [R] parallel computation in plyr 1.7

2012-01-12 Thread abhagwat
Additional question: the plyr package mentions that parallel computation can be set up using the parallel computing backend from 'foreach'. Is this limited to executing the following two lines on a UNIX machine (source http://cran.r-project.org/web/packages/doMC/.../gettingstartedMC.pdf getting

Re: [R] parallel computation in plyr 1.7

2012-01-12 Thread abhagwat
The code below shows that (1) the way to activate the parallel backend indeed is to use 'registerDoMC' (2) the function d_ply does NOT accept the argument parallel, while the function ddply does. Perhaps it is interesting to add this feature to d_ply, l_ply and a_ply too? As a workaround one can of