Online Changepoint Detection in Univariate and Multivariate Data Streams R package focus version 0.1.3 Provides high-performance online changepoint detection in univariate and multivariate data streams. Implements efficient 'C++' backends for the 'focus', 'md-focus' and 'np-focus' algorithms, with an 'R' interface for real-time monitoring and offline analysis. The package bundles code from 'Qhull' <http://www.qhull.org/>, by C. B. Barber and The Geometry Center. See 'inst/COPYRIGHTS' for details. Software Imports: Rcpp (>= 1.1.0) LinkingTo: Rcpp Gaetano Romano <g.romano@lancaster.ac.uk> Comprehensive R Archive Network (CRAN) Gaetano Romano [aut, cre, trl], Kes Ward [aut], Yuntang Fan [aut], Guillem Rigaill [aut], Vincent Runge [aut], Paul Fearnhead [aut], Idris A. Eckley [aut], C. B. Barber [ctb, cph] (Author and copyright holder of bundled 'Qhull' library), The Geometry Center [cph] (Copyright holder of bundled 'Qhull' library) GPL (>= 3) 2026-03-31 application/tgz https://CRAN.R-project.org/package=focus doi:10.32614/CRAN.package.focus