Yet another option is provided by the 'rhdf5' package on Bioconductor,
which interfaces to HDF5, a cross-platform infrastructure for exactly
this purpose: http://www.hdfgroup.org/HDF5/whatishdf5.html
Best wishes
Wolfgang
Aug/31/12 4:44 PM, Gabriel Becker scripsit:
I'm not an
1. I believe this is an R-Help, not an R-devel topic. Post there.
2. It is not clear to me from your post how the arrays are stored -- as
.Rdata files or in some original tabular or database format. I believe the
answer would depend on clarifying that point -- or on others understanding
what I do
There is no such tool to my knowledge, though the mmap package can do
very similar things. In fact, it will be able to do this exactly once
I apply a contributed patch to handle endianess.
The issue is that rds files are compressed by default, so directly
reading requires uncompressing, which mak
On 31/08/2012 15:41, Duncan Murdoch wrote:
On 31/08/2012 9:47 AM, Damien Georges wrote:
Hi all,
I'm working with some huge array in R and I need to load several ones to
apply some functions that requires to have all my arrays values for each
cell...
To make it possible, I would like to load on
I'm not an expert in its use, but I believe the bigmemory package offers
the functionality you are looking for (or at least similar functionality
that can be co-opted for your use-case). See the sub.big.matrix function.
Depending on what you mean by "huge" it may offer other benefits as well.
HTH,
On 31/08/2012 9:47 AM, Damien Georges wrote:
Hi all,
I'm working with some huge array in R and I need to load several ones to
apply some functions that requires to have all my arrays values for each
cell...
To make it possible, I would like to load only a part (for example 100
cells) of all my
Hi all,
I'm working with some huge array in R and I need to load several ones to
apply some functions that requires to have all my arrays values for each
cell...
To make it possible, I would like to load only a part (for example 100
cells) of all my arrays, apply my function, delete all cell
