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 |