Displaying 1 result from an estimated 1 matches for "virtualarray".
2007 Mar 09
4
Using large datasets: can I overload the subscript operator?
...The C++ backend is ready and being used under Windows/.Net/Visual
Basic, but I have yet to learn the specifics of R programming to make a good
R interface.
I think it should be possible to make a package (call it "slice") that could
be used like this:
library (slice)
dataset <- load.virtualarray ("dataset_definition.xml")
ordinaryvector <- dataset [ , 2, 3] # Load a portion of the data from disk
and extract it
In the above "dataset" is an object that holds a definition of a
3-dimensional large dataset, and "ordinaryvector" is an ordinary R vector.
The subs...