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h2o

R Interface for the 'H2O' Scalable Machine Learning Platform

v3.44.0.3 · Jan 11, 2024 · Apache License (== 2.0)

Description

R interface for 'H2O', the scalable open source machine learning platform that offers parallelized implementations of many supervised and unsupervised machine learning algorithms such as Generalized Linear Models (GLM), Gradient Boosting Machines (including XGBoost), Random Forests, Deep Neural Networks (Deep Learning), Stacked Ensembles, Naive Bayes, Generalized Additive Models (GAM), ANOVA GLM, Cox Proportional Hazards, K-Means, PCA, ModelSelection, Word2Vec, as well as a fully automatic machine learning algorithm (H2O AutoML).

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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 12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 25, 2026
NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is 275.7Mb
  sub-directories of 1Mb or more:
    R       2.1Mb
    help    1.0Mb
    java  272.1Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 275.7Mb
  sub-directories of 1Mb or more:
    R       2.0Mb
    help    1.0Mb
    java  272.1Mb
NOTE r-oldrel-windows-x86_64

installed package size

installed size is 267.8Mb
  sub-directories of 1Mb or more:
    R       1.5Mb
    help    1.1Mb
    java  264.7Mb

Code

Structure

Lines of code

57,263

Files

591

Compiled share

0%

Has compiled src

No

Language breakdown

R 36,434 (63.6%)Docs 20,829 (36.4%)

API

Exported functions

454

Internal functions

307

Recent export changes

v3.8.3.3+4 cor, h2o.cor, h2o.mean_per_class_accuracy +1 more  −1 h2o.read.svmlight
v3.8.2.6+10 h2o.cross_validation_fold_assignment, h2o.cross_validation_holdout_predictions, h2o.cross_validation_models +7 more  −1 h2o.pro_substrings_words

Testing & CI

Has tests

No

Test-to-code ratio

0.00

testthat edition

CI present

No

CI type

[]

PR gated

No

Docs

Return-value doc rate

40.2%

\dontrun example ratio

99.4%

Roxygen coverage

99.6%

Has pkgdown

No

NEWS present

Yes

Health & Security signals

Informational signals; not verdicts.

on.exit coverage

18.2%

Unsafe pattern score

52

Dep constraint coverage

0%

Secret pattern count

0

Bundled 3rd-party code

2 items

Portability & License

Min R version

2.13.0

System requirements

2

C++ standard

License

Apache License (== 2.0)

License flags

not SPDX, not OSI

History

Versions

50

First release

2014-06-17

Latest release

2024-01-11

Avg cadence

54 days

Cold removal rate

100%

Dep drift

7

LOC over versions

v2.4.3.11: 9,026 LOCv2.8.1.1: 11,305 LOCv2.8.4.4: 12,276 LOCv3.0.0.22: 15,762 LOCv3.0.0.30: 16,213 LOCv3.2.0.1: 18,193 LOCv3.2.0.3: 18,269 LOCv3.6.0.8: 15,792 LOCv3.8.1.3: 17,043 LOCv3.8.2.6: 17,723 LOCv3.8.3.3: 17,962 LOCv3.10.0.6: 19,493 LOCv3.10.0.8: 20,392 LOCv3.10.2.2: 21,959 LOCv3.10.3.3: 22,491 LOCv3.10.3.6: 22,491 LOCv3.10.4.4: 22,909 LOCv3.10.4.6: 22,909 LOCv3.10.5.2: 24,325 LOCv3.10.5.3: 24,216 LOCv3.14.0.3: 25,183 LOCv3.16.0.1: 25,442 LOCv3.16.0.2: 25,442 LOCv3.18.0.8: 26,563 LOCv3.18.0.11: 26,853 LOCv3.20.0.2: 27,503 LOCv3.20.0.8: 28,143 LOCv3.22.1.1: 29,404 LOCv3.24.0.5: 30,416 LOCv3.26.0.2: 31,122 LOCv3.28.0.2: 33,082 LOCv3.28.0.4: 33,141 LOCv3.30.0.1: 39,168 LOCv3.30.1.2: 40,417 LOCv3.30.1.3: 40,419 LOCv3.32.0.1: 44,578 LOCv3.32.1.2: 46,361 LOCv3.32.1.3: 46,382 LOCv3.34.0.3: 48,842 LOCv3.34.0.6: 49,114 LOCv3.36.0.1: 50,892 LOCv3.36.0.2: 50,982 LOCv3.36.0.3: 51,010 LOCv3.36.0.4: 51,328 LOCv3.36.1.2: 52,624 LOCv3.38.0.1: 53,889 LOCv3.40.0.1: 55,775 LOCv3.40.0.4: 55,873 LOCv3.42.0.2: 56,198 LOCv3.44.0.3: 57,263 LOC

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

Reverse Dependencies (23)

Dependency Network

Dependencies Reverse dependencies RCurl jsonlite HMDA agua autoEnsemble h2otools healthyR.ai lazytrade lilikoi mlim rsparkling shapley shinyML DALEXtra NeuralSens bundle iForecast +8 more reverse deps h2o

Version History

51 tracked
new 3.44.0.3 Mar 10, 2026
updated 3.44.0.3 ← 3.42.0.2 diff Jan 10, 2024
updated 3.42.0.2 ← 3.40.0.4 diff Aug 8, 2023
updated 3.40.0.4 ← 3.40.0.1 diff May 25, 2023
updated 3.40.0.1 ← 3.38.0.1 diff Feb 23, 2023
updated 3.38.0.1 ← 3.36.1.2 diff Sep 22, 2022
updated 3.36.1.2 ← 3.36.0.4 diff May 27, 2022
updated 3.36.0.4 ← 3.36.0.3 diff Apr 4, 2022
updated 3.36.0.3 ← 3.36.0.2 diff Feb 16, 2022
updated 3.36.0.2 ← 3.36.0.1 diff Jan 25, 2022
updated 3.36.0.1 ← 3.34.0.6 diff Jan 3, 2022
updated 3.34.0.6 ← 3.34.0.3 diff Dec 16, 2021
updated 3.34.0.3 ← 3.32.1.3 diff Oct 8, 2021
updated 3.32.1.3 ← 3.32.1.2 diff May 22, 2021
updated 3.32.1.2 ← 3.32.0.1 diff May 5, 2021