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tidycjk: Tidy Tools for Chinese, Japanese and Korean Text

A tidy toolkit for text that is written in Chinese, Japanese or Korean. Most text tooling in R assumes that words are separated by whitespace, which CJK writing does not use, so ordinary summaries of a text column either treat a sentence as one undifferentiated blob or split it into isolated characters. Word segmentation is therefore a pluggable engine that the caller names explicitly rather than a bundled dictionary, because where a word ends is a fact about a language and not about Unicode. 'tidycjk' classifies characters by Unicode block, reports which script and which language a text is written in, measures how much of a text is CJK, and turns those measurements into tibbles that slot straight into a 'tidyverse' workflow. It also measures display width in terminal columns, pads and truncates to a width rather than to a character count, and normalises fullwidth and halfwidth forms surgically – including composing halfwidth katakana voiced marks into single code points – without the collateral damage of a full 'NFKC' pass. Language detection deliberately returns NA rather than guessing when a text is written in Han characters only, because Japanese written without kana cannot be distinguished from Chinese by script alone. Everything is derived from the Unicode specification; the package makes no network requests and needs no compiled code of its own.

Version: 0.1.0
Depends: R (≥ 3.5.0)
Imports: dplyr (≥ 1.1.0), stringi, tibble, utils
Suggests: knitr, rmarkdown, testthat (≥ 3.0.0)
Published: 2026-09-09
DOI: 10.32614/CRAN.package.tidycjk
Author: Youzhi Yu [aut, cre]
Maintainer: Youzhi Yu <yuyouzhi666 at icloud.com>
BugReports: https://github.com/PursuitOfDataScience/tidyckj/issues
License: GPL (≥ 3)
URL: https://pursuitofdatascience.github.io/tidyckj/, https://github.com/PursuitOfDataScience/tidyckj
NeedsCompilation: no
Language: en-GB
Materials: README, NEWS
CRAN checks: tidycjk results

Documentation:

Reference manual: tidycjk.html , tidycjk.pdf

Downloads:

Package source: tidycjk_0.1.0.tar.gz
Windows binaries: r-devel: tidycjk_0.1.0.zip, r-release: not available, r-oldrel: tidycjk_0.1.0.zip
macOS binaries: r-release (arm64): not available, r-oldrel (arm64): tidycjk_0.1.0.tgz, r-release (x86_64): tidycjk_0.1.0.tgz, r-oldrel (x86_64): tidycjk_0.1.0.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=tidycjk 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.