Package: elfgen Title: Ecological Limit Function Model Generation and Analysis Toolkit Version: 2.3.6 Authors@R: c( person(given = "Joseph", family = "Kleiner", role = "aut", email = "joseph.d.kleiner@gmail.com", comment = c(ORCID = "0000-0003-4837-7678") ), person(given = "Robert", family = "Burgholzer", email = "robert.burgholzer@deq.virginia.gov", role = "ctb", comment = c(ORCID = "0000-0002-7290-4928") ), person(given = "Connor", family = "Brogan", email = "connor.brogan@deq.virginia.gov", role = "cre", comment = c(ORCID = "0000-0001-9377-1805") ) ) Maintainer: Connor Brogan Description: A toolset for generating Ecological Limit Function (ELF) models and evaluating potential species loss resulting from flow change, based on the 'elfgen' framework. ELFs describe the relation between aquatic species richness (fish or benthic macroinvertebrates) and stream size characteristics (streamflow or drainage area). Journal publications are available outlining framework methodology (Kleiner et al. (2020) ) and application (Rapp et al. (2020) ). Imports: utils, stringr, quantreg, stats, ggplot2, testit, scales, sqldf, curl, sbtools, hydrogeofetch License: MIT + file LICENSE URL: https://github.com/HARPgroup/elfgen Suggests: testthat (>= 2.1.0) Depends: R (>= 3.5) LazyData: true Encoding: UTF-8 Config/roxygen2/version: 8.0.0 BugReports: https://github.com/HARPgroup/elfgen/issues Config/pak/sysreqs: libabsl-dev cmake libgdal-dev gdal-bin libgeos-dev libicu-dev libsecret-1-dev libxml2-dev libssl-dev libproj-dev libsqlite3-dev libudunits2-dev libx11-dev Repository: https://harpgroup.r-universe.dev Date/Publication: 2026-10-15 20:42:46 UTC RemoteUrl: https://github.com/harpgroup/elfgen RemoteRef: HEAD RemoteSha: ac497b0003a7e033518082ddfebf00c50f223bcc NeedsCompilation: no Packaged: 2026-10-15 21:10:56 UTC; root Author: Joseph Kleiner [aut] (ORCID: ), Robert Burgholzer [ctb] (ORCID: ), Connor Brogan [cre] (ORCID: )