Biomonitoring and Bioassessment Calculations R package BioMonTools version 1.2.4 An aid for manipulating data associated with biomonitoring and bioassessment. Calculations include metric calculation, marking of excluded taxa, subsampling, and multimetric index calculation. Targeted communities are benthic macroinvertebrates, fish, periphyton, and coral. As described in the Revised Rapid Bioassessment Protocols (Barbour et al. 1999) <https://archive.epa.gov/water/archive/web/html/index-14.html>. Software Depends: R (>= 3.5) Imports: dplyr, maps, rlang, stats, tidyselect, tidyr Suggests: DataExplorer, DT, ggplot2, knitr, lazyeval, readxl, reshape2, rmarkdown, testthat, shiny, shinydashboard, shinydashboardPlus, shinyjs, shinyWidgets, utils, writexl, shinyalert Erik W. Leppo <Erik.Leppo@tetratech.com> Comprehensive R Archive Network (CRAN) Erik W. Leppo [aut, cre] (ORCID: <https://orcid.org/0000-0001-8026-7474>), Jen Stamp [ctb], John van Sickles [ctb], Ben Block [ctb] MIT + file LICENSE (https://CRAN.R-project.org/package=BioMonTools/LICENSE) 2025-10-09 application/tgz https://CRAN.R-project.org/package=BioMonTools doi:10.32614/CRAN.package.BioMonTools