wqtrends

1.5.2

Assess Water Quality Trends with Generalized Additive Models

0packages depend

4.2Kdownloads / year

99.9%test coverage

13/13checks pass

Overview

About

Maintained by Marcus BeckFirst published 2023-08-175 releasesCRAN page ↗GitHub ↗

Assess Water Quality Trends for Long-Term Monitoring Data in Estuaries using Generalized Additive Models following Wood (2017) doi:10.1201/9781315370279 and Error Propagation with Mixed-Effects Meta-Analysis following Sera et al. (2019) doi:10.1002/sim.8362. Methods are available for model fitting, assessment of fit, annual and seasonal trend tests, and visualization of results.

Install

R (CRAN)pak (dev)Ubuntu (r2u)Fedora (COPR)openSUSE (OBS)

install.packages("wqtrends", 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("tbep-tech/wqtrends")

Development version from tbep-tech/wqtrends. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-wqtrends

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

# 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-wqtrends

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-wqtrends

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

Health

CRAN checks

13OK

Slowest check: 9.6 min · r-oldrel-windows-x86_64

Code health

Yes

Tests · ratio 0.25

99.9%

Coverage · measured lines

100%

Documentation · exports

Dependencies · direct

Check history

OK2026-06-09
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-06-07
12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 130 wordsVignettesYes · dynamicpkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

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

Downloads

4.2K

CRAN downloads in the past year

Rank #8,155 · ~12/day · ~351/mo

Releases R versions

Daily download trend is not available in this view yet.

32030 days

1.3K90 days

4.2K1 year

Compare downloads with other packages →

Also on143 r2u28 autocran

Repository

GitHub ↗ tbep-tech/wqtrends

13Stars

4Forks

0Open issues

0Open PRs

10Releases

191Commits

1Contributors

reportingwater-qualitytime-series-analysispackagesan-francisco-bay

License CC0-1.0 · 191 commits · Last activity 2026-03-04 · 0% stars, 30d

Stars over time

2025-07-11 · 112026-07-07 · 13

Repository practices

Upstream repositoryBeta

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

Checks run against github.com/tbep-tech/wqtrends on 2026-07-19.

Continuous integration (1)

GitHub Actions

CRAN release process (1)

cran-comments.md

Lint, format, editor (2)

VS CodeRStudio project

Governance and community (1)

Issue templates

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

Dependencies

Declared dependencies

14 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.5

Imports (10)

dplyr ggplot2 lubridatemgcvmixmeta plotly purrr tibble tidyr viridisLite

LinkingTo (0)

none

Suggests (5)

testthat covr english knitr rmarkdown

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

Code Composition

R 2,719 (64%)Rd 1,337 (31%)Vignettes 194 (5%)Other 24 (1%)

Code characteristics

Cyclomatic complexity: 3.0 median / 10 max
Test cases: 65 / 0.25 per code line

Test coverage

Line coverage

100%

Expression

99.8%

Tests / Examples

99.9% / 85% ex

Functions

26 26 exported

Complexity

3.7 avg / 10 max

Call network

26 nodes / 30 edges

Call graph

Open call graph →

Loading call graph…

Lowest coverage

26 functions

Function	Cyclo	Coverage
anlz_mixmeta exp	3	89%
anlz_avgseason exp	4	100%
anlz_backtrans exp	3	100%
anlz_fit exp	1	100%
anlz_gam exp	5	100%
anlz_metseason exp	4	100%

Datasets

Bundled datasets · 1

Name	Class	Rows × Cols	Also ships in
rawdat	data.frame	16,859 × 8	–

People & History

People (7)

Maintainer (1)

Marcus Beck

Author, Maintainer

Authors (7)

Author, Maintainer

Author

Author

Author

Author

Author

Author

Package Timeline

5 releases. Pick two to compare their code metrics. R releases are shown for context.

R
R 4.6.0 released · 2026-04-24
1.5.2Latest
2026-01-12 · current release · diff ↗
1.5.1
2025-07-09 · diff ↗
R
R 4.5.0 released · 2025-04-11
1.5.0
2024-09-04 · diff ↗
R
R 4.4.0 released · 2024-04-24
1.4.2
2024-01-26 · diff ↗
1.4.1
2023-08-17
R
R 4.3.0 released · 2023-04-21

Package metadata

First published: 2023-08-17
Total releases: 5 / 3 yrs
License: CC0
Minimum R: ≥ 3.5
Bundled data: 78 KB / 1 file
Download size: 1.5 MB
Installed size: not tracked yet
With dependencies: not tracked yet

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