Ansari-Bradley Test with Arbitrarily Missing Data R package abwm version 0.1.0 Performs the two-sample Ansari–Bradley test (Ansari & Bradley, 1960 <https://www.jstor.org/stable/2237814>) for univariate, distinct data in the presence of missing values, as described in Zeng et al. (2025) <doi:10.48550/arXiv.2509.20332>. This method does not make any assumptions about the missingness mechanisms and controls the Type I error regardless of the missing values by taking all possible missing values into account. Software Imports: stats Suggests: gtools, testthat (>= 3.0.0) Yijin Zeng <yijinzeng98@gmail.com> Comprehensive R Archive Network (CRAN) Yijin Zeng [aut, cre] MIT + file LICENSE (https://CRAN.R-project.org/package=abwm/LICENSE) 2025-11-04 application/tgz https://CRAN.R-project.org/package=abwm doi:10.32614/CRAN.package.abwm