R Observatory: Metrics for Usmile version 0.2.0

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

Usmile

0.2.0

Threshold-Free Class-Specific Comparison of Binary Classifiers

0packages depend

151downloads / year

18.6%test coverage

13/13checks pass

Overview

About

Maintained by Barbara WięckowskaFirst published 2026-08-081 releasesCRAN page ↗GitHub ↗

Implements the U-smile methodology for threshold-free, class-specific comparison of probabilistic binary classifiers. The package quantifies prediction improvement and worsening separately for non-events and events using the Brier alteration (BA), relative Brier (RB), improvement proportion (I) coefficients, and relative likelihood ratio (rLR) coefficients, and provides U-smile, prediction improvement-worsening, receiver operating characteristic, and precision-recall plots. The original U-smile framework is described in Kubiak et al. (2024) doi:10.1371/journal.pone.0303276, its three-level extension for imbalanced binary classification in Wieckowska et al. (2025) doi:10.1371/journal.pone.0321661, and the likelihood-based extension in Wieckowska and Guzik (2026) doi:10.1038/s41598-026-40545-z.

Install

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

install.packages("Usmile", 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("bbwieckowska/Usmile")

Development version from bbwieckowska/Usmile. Installs pak first if it is not already available.

# 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-Usmile

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-Usmile

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

Health

CRAN checks

13OK

Slowest check: 2.6 min · r-oldrel-windows-x86_64

Code health

Yes

Tests · ratio 0.05

18.6%

Coverage · measured lines

100%

Documentation · exports

3

Dependencies · direct

Check history

OK2026-08-09
6 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 820 wordsVignettesNopkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

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

Downloads

151

CRAN downloads in the past year

Rank #24,670 · ~0/day · ~13/mo

Usmile Releases R versions

Daily download trend is not available in this view yet.

15130 days

15190 days

1511 year

Compare downloads with other packages →

Repository

GitHub ↗ bbwieckowska/usmile

0Stars

0Forks

0Open issues

0Open PRs

1Releases

28Commits

1Contributors

28 commits · Last activity 2026-08-02

Repository practices

Upstream repositoryBeta

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

Checks run against github.com/bbwieckowska/usmile on 2026-08-16.

Continuous integration (1)

GitHub Actions

Reproducibility and dev environment (1)

data-raw/

CRAN release process (1)

cran-comments.md

Lint, format, editor (1)

RStudio project

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

Dependencies

Declared dependencies

9 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.5.0

Imports (3)

ggplot2gridpROC

LinkingTo (0)

none

Suggests (8)

e1071 naivebayesnnetparsnip randomForest ranger testthat xgboost

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

Datasets

People & History

People (1)

Maintainer (1)

Barbara Więckowska

Author, Maintainer

Authors (1)

Barbara Więckowska

Author, Maintainer

Package Timeline

1 release. R releases are shown for context.

0.2.0Latest
2026-08-08 · current release
R
R 4.6.0 released · 2026-04-24

Package metadata

First published: 2026-08-08
Total releases: 1 / 1 yrs
License: MIT + file LICENSE OSI
Minimum R: ≥ 3.5.0
Bundled data: 552 KB / 9 files
Download size: 2.1 MB
Installed size: not tracked yet
With dependencies: not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("Usmile")

Format

Więckowska, B. (2026). Usmile: Threshold-Free Class-Specific Comparison of Binary Classifiers (Version 0.2.0) [Computer software]. https://doi.org/10.32614/CRAN.package.Usmile

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 Usmile version 0.2.0 [Data set]. HJJB, LLC. Data release v2026-08-22. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-22, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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