bdCreate_hdf5_group: Create Group in an HDF5 File

In BigDataStatMeth: Title: Scalable Statistical Computing with HDF5-Backed Matrices

Create Group in an HDF5 File

Description

Create a (nested) group inside an HDF5 file. The operation is idempotent: if the group already exists, no error is raised.

Usage

bdCreate_hdf5_group(filename, group)

Arguments

filename	Character string. Path to the HDF5 file.
group	Character string. Group path to create (e.g., "MGCCA_OUT/scores").

Details

Intermediate groups are created when needed. The HDF5 file must exist prior to the call (create it with a writer function).

Value

List with components:

fn

Character string with the HDF5 filename

gr

Character string with the full group path created within the HDF5 file

References

The HDF Group. HDF5 User's Guide.

See Also

hdf5_create_matrix.

Examples

fn <- tempfile(fileext = ".h5")
hdf5_create_matrix(fn, "tmp/seed", data = matrix(0, 1, 1))
bdCreate_hdf5_group(fn, "MGCCA_OUT/scores")
hdf5_close_all()
unlink(fn)

BigDataStatMeth documentation built on May 15, 2026, 1:07 a.m.