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filematrix: File-Backed Matrix Class with Convenient Read and Write Access

Interface for working with large matrices stored in files, not in computer memory. Supports multiple non-character data types (double, integer, logical and raw) of various sizes (e.g. 8 and 4 byte real values). Access to parts of the matrix is done by indexing, exactly as with usual R matrices. Supports very large matrices. Tested on multi-terabyte matrices. Allows for more than 2^32 rows or columns. Allows for quick addition of extra columns to a filematrix. Cross-platform as the package has R code only.

Version: 1.3
Depends: methods, utils
Suggests: knitr, rmarkdown, RSQLite
Published: 2018-02-27
DOI: 10.32614/CRAN.package.filematrix
Author: Andrey A Shabalin ORCID iD [aut, cre]
Maintainer: Andrey A Shabalin <andrey.shabalin at gmail.com>
BugReports: https://github.com/andreyshabalin/filematrix/issues
License: LGPL-3
URL: https://github.com/andreyshabalin/filematrix
NeedsCompilation: no
CRAN checks: filematrix results

Documentation:

Reference manual: filematrix.pdf
Vignettes: 1 Filematrix overview
2 Best practices
3 Filematrix vs. bigmemory (packages)

Downloads:

Package source: filematrix_1.3.tar.gz
Windows binaries: r-devel: filematrix_1.3.zip, r-release: filematrix_1.3.zip, r-oldrel: filematrix_1.3.zip
macOS binaries: r-release (arm64): filematrix_1.3.tgz, r-oldrel (arm64): filematrix_1.3.tgz, r-release (x86_64): filematrix_1.3.tgz, r-oldrel (x86_64): filematrix_1.3.tgz
Old sources: filematrix archive

Reverse dependencies:

Reverse depends: ramwas
Reverse imports: autoFRK

Linking:

Please use the canonical form https://CRAN.R-project.org/package=filematrix to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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