R Observatory: Metrics for BCGcalc version 2.3.1

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

BCGcalc

2.3.1

Biological Condition Gradient, Calculator

0packages depend

115downloads / year

80.2%test coverage

13/13checks pass

Overview

About

Maintained by Erik W. LeppoFirst published 2026-08-081 releasesCRAN page ↗GitHub ↗

Functions to calculate Biological Condition Gradient (BCG) using input files with one row per sample with metric values and site classes as columns. A second file with the BCG Rules (example included) to define the memberships is also needed. The three main functions convert metric scores to metric memberships following fuzzy set BCG Rules (BCG.Level.Assignment), combine metric memberships to level memberships according to BCG Rules (BCG.Level.Membership), and then assign a BCG primary and secondary level based on level memberships (BCG.Level.Assignment). Originally developed as a package for use with BCG for Puget Lowland/Willamette Valley but has been further enhanced for use with multiple communities (benthic macroinvertebrates, fish, periphyton, or coral) and different rule sets. Oregon and Washington reference - "Stamp, J. and J. Gerritsen. 2018. Calibration of the Biological Condition Gradient (BCG) for Macroinvertebrate Assemblages in Puget Lowland/Willamette Valley Freshwater Wadeable Streams. Prepared by Tetra Tech for the US EPA Office of Water, Office of Science and Technology and US EPA Region 10." BCG process documentation - "USEPA. 2016. A Practitioner’s Guide to the Biological Condition Gradient - A Framework to Describe Incremental Change in Aquatic Ecosystems. EPA 842-R-16-001. Office of Science and Technology, Washington, DC 20460."

Install

R (CRAN)pak (dev)Fedora (COPR)openSUSE (OBS)

install.packages("BCGcalc", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("leppott/BCGcalc")

Development version from leppott/BCGcalc. Installs pak first if it is not already available.

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-BCGcalc

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-BCGcalc

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed).

Health

CRAN checks

13OK

Slowest check: 3.4 min · r-oldrel-macos-x86_64

Code health

Yes

Tests · ratio 0.15

80.2%

Coverage · measured lines

100%

Documentation · exports

2

Dependencies · direct

Check history

OK2026-08-09
7 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 413 wordsVignettesYes · dynamicpkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 100%
Return-value docs: 100%
References docs: 0%

Downloads

115

CRAN downloads in the past year

Rank #24,724 · ~0/day · ~10/mo

Releases R versions

Daily download trend is not available in this view yet.

11530 days

11590 days

1151 year

Compare downloads with other packages →

Also on19 autocran

Repository

GitHub ↗ leppott/bcgcalc

3Stars

1Forks

10Open issues

0Open PRs

10Releases

376Commits

3Contributors

bcgbiologicalconditiongradientmetricr-package

376 commits · Last activity 2026-08-14

Repository practices

Upstream repositoryBeta

4 development-tooling and community-health practices detected across 4 families in the upstream repository

Checks run against github.com/leppott/bcgcalc on 2026-08-16.

Continuous integration (1)

GitHub Actions

Reproducibility and dev environment (1)

data-raw/

Lint, format, editor (1)

RStudio project

Governance and community (1)

Issue templates

How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies

17 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.5.0

Imports (2)

dplyr reshape2

LinkingTo (0)

none

Suggests (15)

BioMonTools readxl knitr rmarkdown ggplot2 shiny DT httr testthat plyr tidyr tibble rioja nhdplusTools ComplexUpset

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

Datasets

People & History

People (4)

Maintainer (1)

Erik W. Leppo

Author, Maintainer

Authors (1)

Erik W. Leppo

Author, Maintainer

Contributors (3)

Ben Block

Contributor

Matt Hedin

Contributor

Jen Stamp

Contributor

Package Timeline

1 release. R releases are shown for context.

2.3.1Latest
2026-08-08 · current release
R
R 4.6.0 released · 2026-04-24

Package metadata

First published: 2026-08-08
Total releases: 1 / 1 yrs
License: MIT + file LICENSE OSI
Minimum R: ≥ 3.5.0
Bundled data: 337 KB / 2 files
Download size: 2.3 MB
Installed size: not tracked yet
With dependencies: not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("BCGcalc")

Format

Leppo, E. W., Block, B., Hedin, M., & Stamp, J. (2026). BCGcalc: Biological Condition Gradient, Calculator (Version 2.3.1) [Computer software]. https://doi.org/10.32614/CRAN.package.BCGcalc

This is what citation() produces when a package has no citation file of its own. If it prints something else, use that.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for BCGcalc version 2.3.1 [Data set]. HJJB, LLC. Data release v2026-08-18. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-18, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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