hdf5.apply {rhdf5}R Documentation

HDF5 Group Apply

Description

Allows the user to iterate over a set of datasets within a group, optionally selecting a subregion from each dataset that is passed to the function specified by "fun."

Usage

hdf5.apply(X, REGION, FUN,...)

Arguments

X a group reference
REGION a subset specification or set to NULL to pass the dataset itself
FUN The function to call on each returned value. By default it is function(x) x
... Additional arguments, currently unused

See Also

hdf5.groups

Examples

  mad <- hdf5.open("test.h5")
  hdf5.dataset(mad, "test", matrix(rnorm(1000), nc=20))
  hdf5.dataset(mad, "test2", rnorm(100))
  hdf5.apply(mad, list(1,), mean)
  hdf5.apply(mad, NULL, min)
  unlink("test.h5")

[Package rhdf5 version 1.4.0 Index]