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Multivariate Adaptive Regression Splines

v5.3.5 · Jan 10, 2026 · GPL-3
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Description

Build regression models using the techniques in Friedman's papers "Fast MARS" and "Multivariate Adaptive Regression Splines" <doi:10.1214/aos/1176347963>. (The term "MARS" is trademarked and thus not used in the name of the package.)

Downloads

CRAN

18.8K

Last 30 days

841st

60.5K

Last 90 days

277.4K

Last year

Trend: -13.9% (30d vs prior 30d)

r2u CRAN

239

Last 30 days

736

Last 90 days

3.2K

Last year

Trend: +1.7% (30d vs prior 30d)

autoCRAN

18

Last 7 days

128

Last 30 days

9

All-time

⚠ Shared name: this package is also shipped elsewhere on openSUSE, so this count is not exclusive to autoCRAN (it is an upper bound).

conda-forge CRAN

341

Last 30 days

1.4K

Last 90 days

7.7K

Last year

Trend: -32.2% (30d vs prior 30d)

CRAN Check Status

13 OK
Show all 13 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Code

Structure

Lines of code

23,073

Files

164

Compiled share

29.1%

Has compiled src

Yes

Language breakdown

R 13,072 (56.7%)C/C++/src 6,709 (29.1%)Tests 98 (0.4%)Docs 3,194 (13.8%)

API

Exported functions

8

Internal functions

418

Testing & CI

Has tests

Yes

Test-to-code ratio

0.01

testthat edition

–

CI present

No

CI type

[]

PR gated

No

Docs

Return-value doc rate

62.5%

\dontrun example ratio

0%

Roxygen coverage

100%

Has pkgdown

No

NEWS present

Yes

Health & Security signals

Informational signals; not verdicts.

on.exit coverage

62.5%

Unsafe pattern score

0

Dep constraint coverage

100%

Secret pattern count

0

Bundled 3rd-party code

2 items

Portability & License

Min R version

3.4.0

System requirements

–

C++ standard

–

License

GPL-3

License flags

SPDX valid, OSI approved

History

Versions

108

First release

2007-04-18

Latest release

2026-01-11

Avg cadence

19 days

Cold removal rate

100%

Dep drift

7

LOC over versions

v0.1-2: 7,719 LOCv0.1-3: 7,713 LOCv2.5.0: 7,713 LOCv1.0-4: 8,516 LOCv1.0-5: 8,514 LOCv1.0-6: 8,564 LOCv1.0-7: 8,578 LOCv1.0-8: 8,586 LOCv2.5.1: 8,586 LOCv2.6.0: 8,621 LOCv1.1-0: 8,570 LOCv1.1-1: 8,570 LOCv1.1-2: 8,578 LOCv1.1-3: 8,566 LOCv1.1-4: 8,581 LOCv1.1-5: 8,621 LOCv1.2-0: 9,228 LOCv2.6.2: 9,430 LOCv1.2-1: 9,232 LOCv1.2-2: 9,310 LOCv1.3-1: 9,410 LOCv1.3-2: 9,430 LOCv1.3-4: 9,432 LOCv2.0-0: 12,049 LOCv2.0-1: 12,141 LOCv2.7.1: 12,141 LOCv2.0-3: 12,166 LOCv2.0-4: 12,167 LOCv2.0-2: 12,152 LOCv2.7.2: 12,167 LOCv2.0-5: 12,167 LOCv2.0-6: 12,412 LOCv2.1-0: 12,747 LOCv2.1-2: 12,750 LOCv2.8.1: 12,750 LOCv2.2-1: 13,417 LOCv2.2-2: 13,445 LOCv2.2-3: 13,534 LOCv2.3-0: 14,301 LOCv2.3-1: 14,343 LOCv2.3-2: 14,878 LOCv2.9.0: 14,878 LOCv2.3-4: 14,896 LOCv2.10.0: 14,907 LOCv2.3-5: 14,907 LOCv2.10.1: 14,924 LOCv2.4-0: 14,924 LOCv2.4-1: 14,993 LOCv2.4-2: 14,993 LOCv2.4-3: 15,013 LOCv2.12.0: 15,019 LOCv2.4-4: 15,019 LOCv2.12.1: 15,066 LOCv2.4-5: 15,066 LOCv2.4-6: 15,253 LOCv2.12.2: 15,329 LOCv2.4-7: 15,329 LOCv2.4-8: 15,360 LOCv2.5-0: 15,862 LOCv2.5-1: 15,879 LOCv2.13.0: 13,361 LOCv2.6-1: 13,361 LOCv2.6-2: 13,459 LOCv3.1-1: 13,000 LOCv2.13.1: 13,173 LOCv3.2-0: 13,173 LOCv2.13.2: 13,174 LOCv3.2-1: 13,174 LOCv2.15.0: 13,187 LOCv3.2-2: 13,187 LOCv2.15.1: 13,147 LOCv3.2-3: 13,147 LOCv3.2-6: 15,372 LOCv3.0.3: 19,436 LOCv3.2-7: 19,436 LOCv4.0.0: 18,727 LOCv4.1.0: 18,727 LOCv4.2.0: 19,274 LOCv4.3.0: 19,858 LOCv4.4.0: 20,391 LOCv4.4.1: 20,362 LOCv4.4.2: 20,373 LOCv4.4.3: 20,382 LOCv4.4.4: 20,380 LOCv4.4.5: 20,414 LOCv4.4.6: 20,428 LOCv4.4.7: 20,541 LOCv4.4.8: 20,922 LOCv4.4.9: 20,927 LOCv4.4.9.1: 20,927 LOCv4.5.0: 20,929 LOCv4.5.1: 21,010 LOCv4.6.0: 21,071 LOCv4.6.1: 21,075 LOCv4.6.2: 21,083 LOCv4.6.3: 21,070 LOCv4.7.0: 21,407 LOCv5.0.0: 22,232 LOCv5.1.0: 22,290 LOCv5.1.1: 22,308 LOCv5.1.2: 22,288 LOCv5.2.0: 22,921 LOCv5.3.0: 22,927 LOCv5.3.1: 22,930 LOCv5.3.2: 22,940 LOCv5.3.3: 23,060 LOCv5.3.4: 23,059 LOCv5.3.5: 23,073 LOC

Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.

Reverse Dependencies (63)

depends

MARSANNhybrid MARSSVRhybrid NumericEnsembles

imports

CEEMDANML MARSGWR SSDM WaveletML bujar cmaRs earthUI ecm elcf4R finnts funcml gbts invacost moderate.mediation nadir nlnet postcard pre spboost tehtuner tsensembler voi

suggests

BiodiversityR CausalGPS IRon MRTAnalysis MachineShop SuperLearner baguette binst biomod2 butcher caret caretEnsemble caretSDM discrim easyalluvial flexCausal healthyR.ts imputeR joinet mda misl mlr mlrMBO modeltime modeltime.ensemble orbital parsnip pdp plotmo r2pmml rpart.plot spatialEco subsemble targeted tidypredict tidysdm viralx writeAlizer

Dependency Network

Dependencies Reverse dependencies Formula plotmo MARSANNhybrid MARSSVRhybrid NumericEnsembles CEEMDANML MARSGWR SSDM WaveletML bujar cmaRs earthUI ecm elcf4R finnts funcml gbts +48 more reverse deps earth

Version History

90 tracked
new 5.3.5 Mar 10, 2026
updated 5.3.5 ← 5.3.4 diff Jan 10, 2026
updated 5.3.4 ← 5.3.3 diff Oct 4, 2024
updated 5.3.3 ← 5.3.2 diff Feb 25, 2024
updated 5.3.2 ← 5.3.1 diff Jan 25, 2023
updated 5.3.1 ← 5.3.0 diff Jul 19, 2021
updated 5.3.0 ← 5.2.0 diff Oct 10, 2020
updated 5.2.0 ← 5.1.2 diff Sep 15, 2020
updated 5.1.2 ← 5.1.1 diff Nov 8, 2019
updated 5.1.1 ← 5.1.0 diff Apr 11, 2019
updated 5.1.0 ← 5.0.0 diff Apr 3, 2019
updated 5.0.0 ← 4.7.0 diff Mar 20, 2019
updated 4.7.0 ← 4.6.3 diff Jan 2, 2019
updated 4.6.3 ← 4.6.2 diff May 6, 2018
updated 4.6.2 ← 4.6.1 diff Mar 20, 2018