Tools to support research on vowel covariation. Methods are provided to
    support Principal Component Analysis workflows (as in Brand et al. (2021) 
    <doi:10.1016/j.wocn.2021.101096> and Wilson Black et al. (2023) 
    <doi:10.1515/lingvan-2022-0086>).
| Version: | 0.4.1 | 
| Depends: | R (≥ 4.1), patchwork | 
| Imports: | dplyr, ggplot2, magrittr, rlang, rstudioapi, tibble, tidyr, forcats, glue, purrr, tidyselect, rsample, stringr, ggrepel, gghalves, smacof, Rdpack, lifecycle, vegan | 
| Suggests: | knitr, rmarkdown, testthat (≥ 3.0.0), vdiffr | 
| Published: | 2025-05-06 | 
| DOI: | 10.32614/CRAN.package.nzilbb.vowels | 
| Author: | Joshua Wilson Black  [aut, cre,
    cph],
  James Brand  [aut] | 
| Maintainer: | Joshua Wilson Black  <joshua at wilsonblack.nz> | 
| BugReports: | https://github.com/nzilbb/nzilbb_vowels/issues | 
| License: | MIT + file LICENSE | 
| URL: | https://nzilbb.github.io/nzilbb_vowels/,
https://github.com/nzilbb/nzilbb_vowels | 
| NeedsCompilation: | no | 
| Citation: | nzilbb.vowels citation info | 
| Materials: | README, NEWS | 
| CRAN checks: | nzilbb.vowels results |