mintyr: Grouped and Nested Data Pipelines Built on 'data.table'

A toolkit for grouped and nested data pipelines built on 'data.table': import many Excel / CSV files (including multi-row headers) into one table, reshape and nest data by trait and group, run reproducible (stratified) k-fold cross-validation inside every group, summarise groups with report-ready descriptive statistics, and write each piece back to its own file or sheet. Developed for animal breeding, where it prepares phenotypic files for 'ASReml-R', 'HIBLUP' or 'DMU', but useful for any multi-group, multi-variable analysis.

Version: 0.2.0
Depends: R (≥ 4.1.0)
Imports: data.table, parallel, readxl, stats, utils, writexl
Suggests: knitr, rmarkdown, testthat (≥ 3.0.0)
Published: 2026-10-05
DOI: 10.32614/CRAN.package.mintyr
Author: Guo Meng [aut, cre], Guo Meng [cph]
Maintainer: Guo Meng <tony2015116 at 163.com>
BugReports: https://github.com/tony2015116/mintyr/issues
License: MIT + file LICENSE
URL: https://tony2015116.github.io/mintyr/, https://github.com/tony2015116/mintyr
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: mintyr results

Documentation:

Reference manual: mintyr.html , mintyr.pdf
Vignettes: Cross-validation (source, R code)
Descriptive statistics (source, R code)
Import and export (source, R code)
Get started with mintyr (source, R code)
Reshape and nest (source, R code)
Utilities (source, R code)

Downloads:

Package source: mintyr_0.2.0.tar.gz
Windows binaries: r-devel: mintyr_0.1.3.zip, r-release: mintyr_0.1.3.zip, r-oldrel: mintyr_0.1.3.zip
macOS binaries: r-release (arm64): mintyr_0.2.0.tgz, r-oldrel (arm64): mintyr_0.2.0.tgz, r-release (x86_64): mintyr_0.2.0.tgz, r-oldrel (x86_64): mintyr_0.2.0.tgz
Old sources: mintyr archive

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