R Observatory: Metrics for densratio version 0.3.1

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

densratio

0.3.1Package record

Density Ratio Estimation

3packages dependsuggested by 1

5.1Kdownloads / year

41.6%test coverage

13/13flavors OK

Overview

About

Maintained by Koji MakiyamaCRAN page ↗GitHub ↗Issues ↗

Density ratio estimation. The estimated density ratio function can be used in many applications such as anomaly detection, change-point detection, covariate shift adaptation. The implemented methods are uLSIF (Hido et al. (2011) doi:10.1007/s10115-010-0283-2), RuLSIF (Yamada et al. (2011) doi:10.1162/NECO_a_00442), and KLIEP (Sugiyama et al. (2007) doi:10.1007/s10463-008-0197-x).

Install

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

install.packages("densratio", 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("hoxo-m/densratio")

Development version from hoxo-m/densratio. 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-densratio

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-densratio

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-densratio

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: 1.5 min · r-oldrel-macos-x86_64

Status changes

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

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 0.3.1

READMEYes · 1,035 wordsVignettesYes · 1 · dynamicNEWSYes · 100% structured · does not mention 0.3.1Citation fileNo

Help pages: 5
Examples that run: 100%1 run in a plain check
Exported functions with examples: 25%
Documented parameters: 93%
Return-value docs: 100%
Help pages citing references: 0%

Vignettes (1)

An R Package for Density Ratio Estimation HTML

How these are measured

Downloads

5.1K

CRAN downloads in the past year

Rank #6,123 · ~14/day · ~421/mo

Releases R versions

Daily download trend is not available in this view yet.

49230 days

1.4K90 days

5.1K1 year

Compare downloads with other packages →

Also on140 r2u3 autocran

How downloads are counted

Repository

hoxo-m/densratio ↗Account: hoxo-m

23Stars

8Forks

5Open issues

2Open PRs

3Releases

75Commits

1Commit identities

r-packagestatisticsmachine-learninganomaly-detection

75 commits · Last activity 2026-05-01 · 0% stars, 30d

Responsiveness

How these are sampled

PRs merged (all time): 100%
Median days to close, 50 most recently updated closed issues: 229
Median days to close, 50 most recently updated closed PRs: 0

Stars over time

2025-10-22 · 222026-07-07 · 23

How these are measured

PracticesBeta

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

Checks run against github.com/hoxo-m/densratio on 2026-10-22.

Continuous integration (3)

GitHub ActionsR CMD check workflowTravis CI (config file)

The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel

Docs source (4)

README.Rmdpkgdown

GitHub Pages site last deployed 2026-05-01 · The repository has a site deploy workflow

CRAN release process (1)

cran-comments.md

Lint, format, editor (1)

RStudio project

How this is detected·Detection ruleset v4 (2026-10-20)

Dependencies

Declared dependencies

4 external dependencies (excludes base and recommended)

Installing densratio adds no packages beyond those that come with R.

Depends (0)

none

Imports (1)

utils

LinkingTo (0)

none

Suggests (6)

graphicsknitr mvtnorm rmarkdownstatstestthat

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

3direct

0indirect

Depends 1 · Imports 2

Suggested by 1

Depends, Imports or LinkingTo, most downloaded first

S4DM flexCausal APPEstimation

Suggests, most downloaded first

DataSimilarity

How these are counted

Code & Tests

People & History

People (1)

Koji Makiyama

Author, Maintainer since 0.0.3 (2016)

Releases (4)

Pick two releases to compare their code metrics.

0.3.1Latest
record
2026-04-29 · current release · diff ↗
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
R
R 4.3.0 released · 2023-04-21
R
R 4.2.0 released · 2022-04-22
R
R 4.1.0 released · 2021-05-18
R
R 4.0.0 released · 2020-04-24
0.2.1
record
2019-06-30 · diff ↗ ·
added 1 export
RuLSIF
0.1.1
record
2019-05-09 · diff ↗
R
R 3.6.0 released · 2019-04-26
R
R 3.5.0 released · 2018-04-23
R
R 3.4.0 released · 2017-04-21
R
R 3.3.0 released · 2016-05-03
0.0.3
record
2016-03-29
R
R 3.2.0 released · 2015-04-16

Package metadata

First published: 2016-03-29
Total releases: 4 / 10 yrs
License: MIT + file LICENSE OSI
Download size: 72 KB

Appears in task views

Anomaly Detection

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("densratio")

Format

Makiyama, K. (2026). densratio: Density Ratio Estimation (Version 0.3.1) [Computer software]. https://doi.org/10.32614/CRAN.package.densratio

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 densratio version 0.3.1 [Data set]. HJJB, LLC. Data release v2026-10-24. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-24, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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