is_open: Check if HDF5Matrix is open
In BigDataStatMeth: Title: Scalable Statistical Computing with HDF5-Backed Matrices
is_open R Documentation
Check if HDF5Matrix is open
Description
Check whether an HDF5Matrix object is still valid and open.
Usage
is_open(x)
Arguments
x
An HDF5Matrix object
Value
Logical. TRUE if object is valid and open, FALSE otherwise.
Examples
tmp <- tempfile(fileext = ".h5")
X <- hdf5_create_matrix(tmp, "data/matrix", data = matrix(rnorm(100), 10, 10))
X <- hdf5_matrix(tmp, "data/matrix")
is_open(X) # TRUE
close(X)
is_open(X) # FALSE
unlink(tmp)
BigDataStatMeth documentation built on May 15, 2026, 1:07 a.m.
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| is_open | R Documentation |
Check if HDF5Matrix is open
Description
Check whether an HDF5Matrix object is still valid and open.
Usage
is_open(x)
Arguments
x |
An |
Value
Logical. TRUE if object is valid and open, FALSE otherwise.
Examples
tmp <- tempfile(fileext = ".h5")
X <- hdf5_create_matrix(tmp, "data/matrix", data = matrix(rnorm(100), 10, 10))
X <- hdf5_matrix(tmp, "data/matrix")
is_open(X) # TRUE
close(X)
is_open(X) # FALSE
unlink(tmp)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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