Streamer package has DAGTeam/DAGParam components that I believe are
relevant.
An abstraction of the reduction plan for a parallelized task would seem to
have a natural
home in BatchJobs.


On Thu, Nov 14, 2013 at 8:15 AM, Michael Lawrence <lawrence.michael@gene.com
> wrote:

> Hi guys,
>
> We often need to iterate over the cartesian product of two dimensions, like
> sample X chromosome. This is preferable to nested iteration, which is
> complicated. I've been using expand.grid and bpmapply for this, but it
> seems like this could be made easier. Like bpmapply could gain a CARTESIAN
> argument with a list of arguments to multiply? But somehow you would want
> the resuls combined in a way that does not require generating the product
> manually. Maybe a list of lists? We need to think more about the
> combination step, in general.
>
> Michael
>
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