The Flexible Spatial Scan Statistic R package rflexscan version 1.2.0 Provides functions for detecting spatial clusters using the flexible spatial scan statistic developed by Tango and Takahashi (2005) <doi:10.1186/1476-072X-4-11>. This package implements a wrapper for the 'C' routine used in the 'FleXScan' 3.1.2 <https://sites.google.com/site/flexscansoftware/home> developed by Takahashi, Yokoyama, and Tango. For details, see Otani et al. (2021) <doi:10.18637/jss.v099.i13>. Software Depends: R (>= 3.1.0) Imports: Rcpp, igraph, sf, grDevices LinkingTo: Rcpp Suggests: knitr, rmarkdown, spdep, spData (>= 2.3.1) Takahiro Otani <t.otani@aichi-cc.jp> Comprehensive R Archive Network (CRAN) Takahiro Otani [aut, cre], Kunihiko Takahashi [aut] GPL-3 2025-11-28 application/tgz https://CRAN.R-project.org/package=rflexscan doi:10.32614/CRAN.package.rflexscan