[R] hdf5

Martyn Plummer plummer at iarc.fr
Wed Feb 2 09:32:37 CET 2000

The only difference between the "R-base" and "R-base-with-hdf5" RPMs is
that the latter can read and write files in HDF5 format (This capability
is determined at compile time, which is why we need to distribute two
binary versions).  If you don't need to read and write HDF5 files, just
use the "R-base" RPM.


On 01-Feb-00 cstrato at EUnet.at wrote:
> Dear R-user group
> I am currently running R-0.90.1-1 for LinuxPPC on my PowerBook. Few days
> ago
> I have seen at CRAN that a new R-package exists, namely
> R-base-with-hdf5-0.90.1-2.
> Sorrowly, I could not find any explanation, what the difference to the
> other package is.
> I have downloaded the "Introduction to HDF5 Release 1.2" from
> hdf.ncsa.uiuc.edu/HDF5.
> It seems that HDF5 is a data format, wich overcomes some file size and
> storage problems.
> However, what is the advantage with respect to R?
> Does this result in an improved memory model for R (or do I get
> something wrong)?
> Is it worth using this new version?
> I have to work with very large tables (about 300,000 rows) so any
> improvement in the
> memory model of R would probably be an advantage.
> Thank you in advance for your help.
> Christian Stratowa, Ph.D.
> Vienna
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