# Manage Massive Matrices with Shared Memory and Memory-Mapped Files

## Documentation for package ‘bigmemory’ version 4.5.19

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

bigmemory-package | Manage massive matrices with shared memory and memory-mapped files.
as.big.matrix | The core "big.matrix" operations.
as.big.matrix-method | Create a "big.matrix" from a matrix or vector.
as.big.matrix-methods | Create a "big.matrix" from a matrix or vector.
as.matrix-method | Convert to base R matrix
attach.big.matrix | The basic "big.matrix" operations for sharing and re-attaching.
attach.resource | The basic "big.matrix" operations for sharing and re-attaching.
attach.resource-method | Class "big.matrix.descriptor"
big.matrix | The core "big.matrix" operations.
big.matrix-class | Class "big.matrix"
big.matrix.descriptor-class | Class "big.matrix.descriptor"
bigmemory | Manage massive matrices with shared memory and memory-mapped files.
deepcopy | Produces a physical copy of a "big.matrix"
describe | The basic "big.matrix" operations for sharing and re-attaching.
describe-method | The basic "big.matrix" operations for sharing and re-attaching.
descriptor-class | Class "big.matrix.descriptor"
dim-method | Dimensions of a big.matrix object
dimnames-method | Dimnames of a big.matrix Object
dimnames<--method | Dimnames of a big.matrix Object
Extract,big.matrix | Extract or Replace
file.name | The core "big.matrix" operations.
file.name-method | The core "big.matrix" operations.
filebacked.big.matrix | The core "big.matrix" operations.
flush | Updating a big.matrix filebacking.
flush-method | Updating a big.matrix filebacking.
GetMatrixSize | big.matrix size
head-method | Return First or Last Part of a big.matrix Object
is.big.matrix | The core "big.matrix" operations.
is.big.matrix-method | The core "big.matrix" operations.
is.filebacked | The core "big.matrix" operations.
is.filebacked-method | The core "big.matrix" operations.
is.float | Check if Float
is.float-method | Is Float?
is.nil | The core "big.matrix" operations.
is.readonly | The core "big.matrix" operations.
is.readonly-method | The core "big.matrix" operations.
is.separated | The core "big.matrix" operations.
is.separated-method | The core "big.matrix" operations.
is.shared | The core "big.matrix" operations.
is.shared-method | The core "big.matrix" operations.
is.sub.big.matrix | Submatrix support
is.sub.big.matrix-method | Submatrix support
length-method | Length of a big.matrix object
morder | Ordering and Permuting functions for "big.matrix" and "matrix" objects
morderCols | Ordering and Permuting functions for "big.matrix" and "matrix" objects
mpermute | Ordering and Permuting functions for "big.matrix" and "matrix" objects
mpermuteCols | Ordering and Permuting functions for "big.matrix" and "matrix" objects
mwhich | Expanded "which"-like functionality.
mwhich-method | Expanded "which"-like functionality.
mwhich-methods | Expanded "which"-like functionality.
ncol-method | The Number of Rows/Columns of a big.matrix
nrow-method | The Number of Rows/Columns of a big.matrix
print-method | Print Values
read.big.matrix | File interface for a "big.matrix"
read.big.matrix-method | File interface for a "big.matrix"
shared.name | The core "big.matrix" operations.
shared.name-method | The core "big.matrix" operations.
sub.big.matrix | Submatrix support
sub.big.matrix-method | Class "big.matrix.descriptor"
sub.big.matrix-method | Submatrix support
tail-method | Return First or Last Part of a big.matrix Object
typeof-method | The Type of a big.matrix Object
write.big.matrix | File interface for a "big.matrix"
write.big.matrix-method | File interface for a "big.matrix"
[-method | Extract or Replace
[<--method | Extract or Replace