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CRAN status CRAN RStudio mirror downloads Coverage Status

rmatio

rmatio is a package for reading and writing Matlab MAT files from R. rmatio supports reading MAT version 4, MAT version 5 and MAT compressed version 5. rmatio can write version 5 MAT files and version 5 files with variable compression.

Internally, the rmatio package uses the C library matio for reading/writing MATLAB MAT files.

You can track (and contribute to) development of rmatio at https://github.com/stewid/rmatio.

Installation

To install the latest release on CRAN

install.packages('rmatio')

To install the development version of rmatio, it's easiest to use the remotes package:

# install.packages("remotes")
library(remotes)
install_github("stewid/rmatio")

Usage

library(rmatio)

Read a compressed version 5 MAT file from an URL

url <- "https://raw.githubusercontent.com/stewid/rmatio/master/inst/extdata/matio_test_cases_compressed_le.mat"
m <- read.mat(url)

View content

str(m)

Write an uncompressed version 5 MAT file

write.mat(m, filename="test-uncompressed.mat", compression=FALSE, version="MAT5")

Write a compressed version 5 MAT file

write.mat(m, filename="test-compressed.mat", compression=TRUE, version="MAT5")

Check that the content of the files are identical

identical(read.mat("test-uncompressed.mat"), read.mat("test-compressed.mat"))

Read a version 4 MAT file with little-endian byte ordering

filename <- system.file('extdata/matio_test_cases_v4_le.mat', package='rmatio')
m <- read.mat(filename)

View content

str(m)

Read a version 4 MAT file with big-endian byte ordering

filename <- system.file('extdata/matio_test_cases_v4_be.mat', package='rmatio')
m <- read.mat(filename)

View content

str(m)

Included software

License

The rmatio package is licensed under the GPLv3. See these files for additional details:

  • LICENSE - rmatio package license (GPLv3)
  • inst/NOTICE - Copyright notices for additional included software

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An R package to read and write matlab files

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