Write HDF Dataset or Attribute — hql_write • hdfqlr

Write a dataset or attribute to an HDF file.

hql_write_dataset(
  dataset,
  path,
  include.attributes = TRUE,
  overwrite = FALSE,
  parallel = FALSE
)

hql_write_attribute(attribute, path, overwrite = FALSE, parallel = FALSE)

hql_write_all_attributes(attributes, path, overwrite = FALSE, parallel = FALSE)

Arguments

dataset: The dataset to write. The object must be coercible to an array.
path: The location within the HDF file to write the dataset or attribute(s).
include.attributes: If TRUE, write the dataset attributes.
overwrite: If TRUE, overwrite existing dataset or attribute.
parallel: Use parallel processing functionality.
attribute: The attribute to write.
attributes: A list of attributes to write.

Functions

hql_write_dataset(): Write a dataset to an HDF file.
hql_write_attribute(): Write an attribute to an HDF file.
hql_write_all_attributes(): Write multiple attributes to an HDF file.

Examples

if(hql_is_loaded()){
  tf = tempfile(fileext = ".h5")
  hql_create_file(tf)

  hql_use_file(tf)
  x = matrix(rnorm(100), nrow = 20)
  hql_write_dataset(x, "dataset0")
  hql_write_attribute("normal", "dataset0/dist")

  y = month.name
  attr(y, "abbreviation") = month.abb
  hql_write_dataset(y, "group1/dataset1")

  hql_close_file(tf)
}