dials

Overview

About

Maintained by Hannah FrickFirst published 2018-08-1322 releasesCRAN page ↗GitHub ↗

Many models contain tuning parameters (i.e. parameters that cannot be directly estimated from the data). These tools can be used to define objects for creating, simulating, or validating values for such parameters.

Install

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

install.packages("dials", 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("tidymodels/dials")

Development version from tidymodels/dials. 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-dials

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

# 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-dials

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-dials

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

Health

CRAN checks

13OK

Slowest check: 3.5 min · r-oldrel-windows-x86_64

Code health

Yes

Tests · ratio 0.73

97.9%

Coverage · measured lines

100%

Documentation · exports

15

Dependencies · direct

Check history

OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 213 wordsVignettesYes · dynamicpkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 91%
Return-value docs: 15%
References docs: 3%

Downloads

454.4K

CRAN downloads in the past year

Rank #634 · ~1.2K/day · ~37.9K/mo

Releases R versions

Daily download trend is not available in this view yet.

29K30 days

103.1K90 days

454.4K1 year

Compare downloads with other packages →

Also on17.9K r2u32 autocran37.6K conda_forge117 c2d4u

Repository

GitHub ↗ tidymodels/dials

116Stars

35Forks

15Open issues

4Open PRs

22Releases

981Commits

23Contributors

981 commits · Last activity 2026-06-22

Stars over time

2025-06-11 · 1162026-07-07 · 116

Repository practices

Upstream repositoryBeta

8 development-tooling and community-health practices detected across 5 families in the upstream repository

Checks run against github.com/tidymodels/dials on 2026-07-19.

Continuous integration (1)

GitHub Actions

CRAN release process (2)

cran-comments.mdrevdep/

Docs source (1)

README.Rmd

Lint, format, editor (3)

AirVS CodeRStudio project

Show all practices

Coverage (1)

Codecov

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

Dependencies

Declared dependencies

21 external dependencies (excludes base and recommended)

Depends (2)

R >= 4.1scales

Imports (14)

cli DiceDesign dplyr glue hardhat lifecycle pillar purrr rlang sfd tibbleutilsvctrs withr

LinkingTo (0)

none

Suggests (8)

covr ggplot2 kernlab knitr rmarkdownrparttestthat (>= 3.1.9)xml2

Enhances (0)

none

Dependency license breakdown →

Code & Tests

Code Composition

R 10,528 (63%)Rd 3,650 (22%)Markdown 2,340 (14%)Vignettes 298 (2%)

Code characteristics

Object systems

S349

Cyclomatic complexity: 1.0 median / 23 max
Test cases: 215 / 0.73 per code line

Test coverage

Line coverage

98%

Expression

96.9%

Tests / Examples

97.9% / 60% ex

Functions

309 177 exported

Complexity

2.1 avg / 23 max

Call network

309 nodes / 391 edges

Call graph

Open call graph →

Loading call graph…

Lowest coverage

309 functions

Function	Cyclo	Coverage
grid_regular.parameters	3	45%
inv_wrap	2	67%
trans_wrap	2	67%
value_set exp	3	71%
get_batch_sizes exp	4	73%
unk_check	2	75%

People & History

People (3)

Maintainer (1)

Hannah Frick

Author, Maintainer · added in 0.0.10

Authors (2)

Hannah Frick

Author, Maintainer · added in 0.0.10

Max Kuhn

Author

Copyright holders (1)

Posit Software, PBC

Copyright holder, Funder · added in 1.2.0

Funders (1)

Posit Software, PBC

Copyright holder, Funder · added in 1.2.0

Listed in earlier versions (1)

RStudio

no longer listed · 0.0.1 to 1.1.0

Package Timeline

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

1.4.4Latest
2026-06-22 · current release · diff ↗
R
R 4.6.0 released · 2026-04-24
1.4.3
2026-04-11 · diff ↗
1.4.2
2025-09-04 · diff ↗
1.4.1
2025-07-29 · diff ↗
R
R 4.5.0 released · 2025-04-11
1.4.0
2025-02-13 · diff ↗
1.3.0
2024-07-30 · diff ↗
R
R 4.4.0 released · 2024-04-24
1.2.1
2024-02-22 · diff ↗
R
R 4.3.0 released · 2023-04-21
1.2.0
2023-04-03 · diff ↗
1.1.0
2022-11-04 · diff ↗
1.0.0
2022-06-14 · diff ↗
R
R 4.2.0 released · 2022-04-22
0.1.1
2022-04-06 · diff ↗

Show 15 earlier events

0.1.0
2022-01-31 · diff ↗
0.0.10
2021-09-10 · diff ↗
R
R 4.1.0 released · 2021-05-18
0.0.9
2020-09-16 · diff ↗
0.0.8
2020-07-08 · diff ↗
0.0.7
2020-06-10 · diff ↗
R
R 4.0.0 released · 2020-04-24
0.0.6
2020-04-03 · diff ↗
0.0.5
2020-04-01 · diff ↗
0.0.4
2019-12-02 · diff ↗
0.0.3
2019-10-01 · diff ↗
R
R 3.6.0 released · 2019-04-26
0.0.2
2018-12-09 · diff ↗
0.0.1
2018-08-13
R
R 3.5.0 released · 2018-04-23

Package metadata

First published: 2018-08-13
Total releases: 22 / 8 yrs
License: MIT + file LICENSE OSI
Minimum R: ≥ 4.1
Download size: 135 KB
Installed size: not tracked yet
With dependencies: not tracked yet