medScan

1.0.2

Large Scale Single Mediator Hypothesis Testing

0packages depend

2.1Kdownloads / year

–test coverage

13/13checks pass

Overview

About

Maintained by Michael KleinsasserFirst published 2022-10-052 releasesCRAN page ↗GitHub ↗

A collection of methods for large scale single mediator hypothesis testing. The six included methods for testing the mediation effect are Sobel's test, Max P test, joint significance test under the composite null hypothesis, high dimensional mediation testing, divide-aggregate composite null test, and Sobel's test under the composite null hypothesis. Du et al (2023) doi:10.1002/gepi.22510.

Install

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

install.packages("medScan", 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("umich-cphds/medScan")

Development version from umich-cphds/medScan. 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-medscan

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

13OK

Slowest check: 1.6 min · r-devel-linux-x86_64-fedora-clang

Code health

None

Tests · ratio 0.00

not tracked

Coverage

100%

Documentation · exports

Dependencies · direct

Check history

OK2026-06-08
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-06-07
12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 105 wordsVignettesNopkgdown siteNoNEWSNoCode of conductNoContributing guideNo

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

Downloads

2.1K

CRAN downloads in the past year

Rank #19,837 · ~6/day · ~179/mo

Releases R versions

Daily download trend is not available in this view yet.

16730 days

57190 days

2.1K1 year

Compare downloads with other packages →

Also on92 r2u

Repository

GitHub ↗ umich-cphds/medscan

0Stars

1Forks

0Open issues

0Open PRs

0Releases

10Commits

3Contributors

10 commits · Last activity 2024-03-05

Forks over time

2023-05-22 · 12026-07-07 · 1

Repository practices

Upstream repositoryBeta

1 development-tooling and community-health practice detected across 1 family in the upstream repository

Checks run against github.com/umich-cphds/medscan on 2026-07-30.

Lint, format, editor (1)

RStudio project

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

Dependencies

Declared dependencies

7 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.5

Imports (5)

HDMT locfdr qqman qvalue fdrtool

LinkingTo (0)

none

Suggests (2)

knitr rmarkdown

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

People & History

People (2)

Maintainer (1)

Michael Kleinsasser

Maintainer

Authors (1)

Jiacong Du

Author

Package Timeline

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

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
1.0.2Latest
2024-03-06 · current release · diff ↗
R
R 4.3.0 released · 2023-04-21
1.0.1
2022-10-05
R
R 4.2.0 released · 2022-04-22

Package metadata

First published: 2022-10-05
Total releases: 2 / 4 yrs
License: GPL-3 OSI
Minimum R: ≥ 3.5
Download size: 6.6 KB
Installed size: not tracked yet
With dependencies: not tracked yet

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