Statistics for Quaternion Temporal Data R package squat version 0.5.0 An implementation of statistical tools for the analysis of rotation-valued time series and functional data. It relies on pre-existing quaternion data structure provided by the 'Eigen' 'C++' library. Software Depends: R (>= 4.2.0) Imports: cli, dbscan, dtw, fdacluster, fdasrvf, funData, future.apply, ggplot2, ggrepel, MFPCA, progressr, Rcpp, rlang, roahd, scales, tibble, tidyr LinkingTo: Rcpp, RcppArmadillo, RcppEigen, fdacluster Suggests: covr, future, gganimate, gghighlight, testthat (>= 3.0.0), vdiffr, withr Aymeric Stamm <aymeric.stamm@cnrs.fr> Comprehensive R Archive Network (CRAN) Lise Bellanger [aut], Pierre Drouin [aut], Aymeric Stamm [aut, cre] (ORCID: <https://orcid.org/0000-0002-8725-3654>), Benjamin Martineau [ctb] GPL (>= 3) 2026-01-15 application/tgz https://CRAN.R-project.org/package=squat doi:10.32614/CRAN.package.squat