R Observatory: Metrics for MRZero version 0.2.0

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

MRZero

0.2.0Package record

Diet Mendelian Randomization

0packages depend

2.4Kdownloads / year

–test coverage

13/13flavors OK

Overview

About

Maintained by Stephen BurgessCRAN page ↗

Encodes several methods for performing Mendelian randomization analyses with summarized data. Similar to the 'MendelianRandomization' package, but with fewer bells and whistles, and less frequent updates. As described in Yavorska (2017) doi:10.1093/ije/dyx034 and Broadbent (2020) doi:10.12688/wellcomeopenres.16374.2.

Changes in 0.2.0

Added conditional likelihood ratio method and other weak instrument robust identification tests (mr_clr) - thanks to Sheng Wang for coding!

Changed default threshold for PCs in mr_pcgmm and mr_mvpcgmm from 0.999 to 0.99.

Added multivariable IVW with measurement error method (mr_mvivwme) - thanks to Andrew Grant and Ville Karhunen for coding!

From NEWS in the release

Install

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

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

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

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-mrzero

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled. We list this channel from recorded r2u download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

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-MRZero

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-MRZero

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed). We list this channel from recorded autoCRAN download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

Health

CRAN checks

13OK

CRAN check page ↗

Slowest check: 4.2 min · r-oldrel-windows-x86_64

Status changes

OK13 OK2026-08-05
NOTE12 OK, 1 NOTE2026-08-01
OK13 OK2026-06-09
ERROR12 OK, 1 ERROR2026-06-08
OK14 OK2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 0.2.0

READMENoVignettesNoNEWSYes · 0% structured · mentions 0.2.0Citation fileNoWebsitenot declared in DESCRIPTION

Help pages: 77 (22 internal)
Examples that run: 100%42 run in a plain check
Exported functions with examples: 92%
Documented parameters: 100%
Return-value docs: 85%
Help pages citing references: 27%

How these are measured

Downloads

2.4K

CRAN downloads in the past year

Rank #22,194 · ~7/day · ~202/mo

Releases R versions

Daily download trend is not available in this view yet.

21030 days

59790 days

2.4K1 year

Compare downloads with other packages →

Also on69 r2u5 autocran

How downloads are counted

Dependencies

Declared dependencies

7 external dependencies (excludes base and recommended)

Installing MRZero adds 74 packages (40 with compiled code, 72 MB of source tarballs). Heaviest: stringi 11 MB, ggplot2 6.0 MB, data.table 5.7 MB.

Depends (2)

R >= 3.0.1methods

Imports (7)

knitr rmarkdown plotly ggplot2 robustbase quantreg glmnet

LinkingTo (0)

none

Suggests (0)

none

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

How these are counted

Code & Tests

People & History

People (16)

Stephen Burgess

Author, Maintainer since 0.1.0 (2023)

Author

Contributor

Contributor

Contributor

Contributor

Contributor · added in 0.2.0

Ville Karhunen

Contributor · added in 0.2.0

Zhaotong Lin

Contributor

Amy Mason

Contributor

Show 6 more contributorsHide 6 contributors

Ashish Patel

Contributor

James Staley

Contributor

Sheng Wang

Contributor · added in 0.2.0

Siqi Xu

Contributor

Haoran Xue

Contributor

Ting Ye

Contributor

Releases (2)

Pick two releases to compare their code metrics.

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
0.2.0Latest
record
2024-04-14 · current release · diff ↗ ·
added 2 exports
mr_mvivwme, mr_clr
0.1.0
record
2023-08-16
R
R 4.3.0 released · 2023-04-21

Package metadata

First published: 2023-08-16
Total releases: 2 / 3 yrs
License: GPL-2 | GPL-3 OSI
Minimum R: ≥ 3.0.1
Download size: 123 KB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("MRZero")

Format

Burgess, S., Broadbent, J., Foley, C., Grant, A., Hartwig, F., Kang, H., Karhunen, V., Lin, Z., Mason, A., Patel, A., Staley, J., Wang, S., Xu, S., Xue, H., Yavorska, O., & Ye, T. (2024). MRZero: Diet Mendelian Randomization (Version 0.2.0) [Computer software]. https://doi.org/10.32614/CRAN.package.MRZero

This package has no citation file, so citation() returns this entry built from DESCRIPTION.

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 MRZero version 0.2.0 [Data set]. HJJB, LLC. Data release v2026-10-23. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-23, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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