Description
Read and write 'Matlab' MAT files from R. The 'rmatio' package supports reading MAT version 4, MAT version 5 and MAT compressed version 5. The 'rmatio' package can write version 5 MAT files and version 5 files with variable compression.
Downloads
3.6K
Last 30 days
1969th
14.2K
Last 90 days
63.7K
Last year
Trend: -42% (30d vs prior 30d)
28
Last 30 days
126
Last 90 days
450
Last year
Trend: -31.7% (30d vs prior 30d)
6
Last 7 days
15
Last 30 days
1
All-time
autoCRAN-only: this name is served only by autoCRAN, so the count is exact.
113
Last 30 days
396
Last 90 days
2.6K
Last year
Trend: -45.7% (30d vs prior 30d)
CRAN Check Status
Show all 13 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | OK |
| r-devel-linux-x86_64-debian-gcc | OK |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | OK |
| r-oldrel-macos-x86_64 | OK |
| r-oldrel-windows-x86_64 | OK |
| r-patched-linux-x86_64 | OK |
| r-release-linux-x86_64 | OK |
| r-release-macos-arm64 | OK |
| r-release-macos-x86_64 | OK |
| r-release-windows-x86_64 | OK |
Check History
OK 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Jun 9, 2026
WARNING 12 OK · 0 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE Jun 8, 2026
top-level files
Output from running autoreconf: autom4te: error: cannot create autom4te.cache in /tmp/RtmpcnJJ5m/file18c8946cbd76f6: No space left on device aclocal: error: /usr/bin/autom4te failed with exit status: 1 autoreconf: error: aclocal failed with exit status: 1
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
Code
Structure
Lines of code
24,883
Files
54
Compiled share
82.9%
Has compiled src
Yes
Language breakdown
API
Exported functions
1
Internal functions
0
Recent export changes
Testing & CI
Has tests
Yes
Test-to-code ratio
11.08
testthat edition
–
CI present
No
CI type
[]
PR gated
No
Docs
Return-value doc rate
100%
\dontrun example ratio
50%
Roxygen coverage
100%
Has pkgdown
No
NEWS present
Yes
Health & Security signals
Informational signals; not verdicts.
on.exit coverage
100%
Unsafe pattern score
0
Dep constraint coverage
0%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
3.2
System requirements
2
C++ standard
–
License
GPL-3
License flags
SPDX valid, OSI approved
History
Versions
12
First release
2014-01-10
Latest release
2023-12-13
Avg cadence
222 days
Cold removal rate
100%
Dep drift
2
LOC over versions
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.