io_read_h5 {ieegio} | R Documentation |
hdf5r-package
Wrapper for class LazyH5
, which load data with
"lazy" mode - only read part of dataset when needed.
io_read_h5(file, name, read_only = TRUE, ram = FALSE, quiet = FALSE)
file |
'HDF5' file |
name |
|
read_only |
only used if |
ram |
load data to memory immediately, default is false |
quiet |
whether to suppress messages |
If ram
is true, then return data as arrays, otherwise return
a LazyH5
instance.
file <- tempfile()
x <- array(1:120, dim = c(4,5,6))
# save x to file with name /group/dataset/1
io_write_h5(x, file, '/group/dataset/1', quiet = TRUE)
# read data
y <- io_read_h5(file, '/group/dataset/1', ram = TRUE)
class(y) # array
z <- io_read_h5(file, '/group/dataset/1', ram = FALSE)
class(z) # LazyH5
dim(z)
# clean up
unlink(file)