R Observatory: Metrics for LFApp version 1.4.2

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

LFApp

1.4.2

Shiny Apps for Lateral Flow Assays

0packages depend

2.7Kdownloads / year

–test coverage

12/13checks pass

Overview

About

Maintained by Filip PaskaliFirst published 2021-07-285 releasesCRAN page ↗GitHub ↗

Shiny apps for the quantitative analysis of images from lateral flow assays (LFAs). The images are segmented and background corrected and color intensities are extracted. The apps can be used to import and export intensity data and to calibrate LFAs by means of linear, loess, or gam models. The calibration models can further be saved and applied to intensity data from new images for determining concentrations.

Install

R (CRAN)pak (dev)Ubuntu (r2u)

install.packages("LFApp", 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("fpaskali/LFApp")

Development version from fpaskali/LFApp. 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-lfapp

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

Health

CRAN checks

1ERROR12OK

Failing flavors

ERROR r-oldrel-macos-arm64

Slowest check: 3.3 min · r-oldrel-windows-x86_64

Code health

None

Tests · ratio 0.00

not tracked

Coverage

100%

Documentation · exports

14

Dependencies · direct

Check history

ERROR2026-05-06
12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMENoVignettesYes · staticpkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 100%
Return-value docs: 100%
References docs: 75%

Downloads

2.7K

CRAN downloads in the past year

Rank #14,528 · ~7/day · ~227/mo

Releases R versions

Daily download trend is not available in this view yet.

17630 days

71490 days

2.7K1 year

Compare downloads with other packages →

Also on120 r2u

Repository

GitHub ↗ fpaskali/lfapp

4Stars

4Forks

0Open issues

0Open PRs

0Releases

196Commits

6Contributors

rshinyr-packagerstatsimage-processingcalibrationbioinformaticsbiomedical-image-processing

196 commits · Last activity 2026-07-03 · 0% stars, 30d

Stars over time

2024-04-03 · 32026-07-07 · 4

Repository practices

Upstream repositoryBeta

Checks run against github.com/fpaskali/lfapp on 2026-08-09.

No development-tooling practices detected in the upstream repository.

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

Dependencies

Declared dependencies

12 external dependencies (excludes base and recommended)

Depends (1)

R >= 4.0.0

Imports (14)

statsutilsgraphicsmethodsmgcvshiny shinyjs shinythemes shinyFiles shinyMobile EBImage DT ggplot2 fs

LinkingTo (0)

none

Suggests (3)

knitr rmarkdown remotes

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

People & History

People (3)

Maintainer (1)

Filip Paskali

Author, Maintainer

Authors (3)

Filip Paskali

Author, Maintainer

Matthias Kohl

Author

Weronika Schary

Author

Package Timeline

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

1.4.2Latest
2026-05-06 · current release · diff ↗
R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
1.4.1
2024-05-27 · diff ↗
R
R 4.4.0 released · 2024-04-24
1.4
2023-11-06 · diff ↗
R
R 4.3.0 released · 2023-04-21
1.3.1
2022-11-23 · diff ↗
R
R 4.2.0 released · 2022-04-22
1.3
2021-07-28
R
R 4.1.0 released · 2021-05-18

Package metadata

First published: 2021-07-28
Total releases: 5 / 5 yrs
License: LGPL-3 OSI
Minimum R: ≥ 4.0.0
Download size: 2.9 MB
Installed size: not tracked yet
With dependencies: not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("LFApp")

Format

Paskali, F., Kohl, M., & Schary, W. (2026). LFApp: Shiny Apps for Lateral Flow Assays (Version 1.4.2) [Computer software]. https://doi.org/10.32614/CRAN.package.LFApp

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 LFApp version 1.4.2 [Data set]. HJJB, LLC. Data release v2026-08-11. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-11, which the citation names so these numbers can be found later. More on citing and the projects behind them.

Report a problem with this page →