first

2.1

Factor Importance Ranking and Selection using Total Indices

0packages depend

2.8Kdownloads / year

–test coverage

13/13checks pass

Overview

About

Maintained by Chaofan HuangFirst published 2024-01-104 releasesCRAN page ↗

A model-independent factor importance ranking and selection procedure based on total Sobol' indices. Please see Huang and Joseph (2025) <doi:10.1080/00401706.2025.2483531>. This research is supported by U.S. National Science Foundation grants DMS-2310637 and DMREF-1921873.

Install

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

install.packages("first")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

Release

# one-time r2u setup for Ubuntu (noble)

curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash

# then install

sudo apt install r-cran-first

Fast Ubuntu binaries via r2u (no compilation). Run the setup once per machine.

bspm (used by r2u) also needs make: sudo apt install make

sudo dnf copr enable iucar/cran

sudo dnf install R-CRAN-first

RPMs from the iucar/cran COPR, rebuilt from CRAN.

sudo zypper install R-first

RPMs auto-built from CRAN on openSUSE OBS.

Health

CRAN checks

13OK

Code health

None

Tests · ratio 0.00

not tracked

Coverage

100%

Documentation · exports

None

Vignettes

README

Dependencies · direct

Check history

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

Downloads

2.8K

CRAN downloads in the past year

Rank #22,069 · ~8/day · ~232/mo

first Releases R versions

Daily download trend is not available in this view yet.

21330 days

53990 days

2.8K1 year

Compare downloads with other packages →

Also on116 r2u6 autocran

Source & community

Repository stars, issues, and contributor activity are not tracked yet.

Dependencies

Declared dependencies

2 external dependencies (excludes base and recommended)

Depends (0)

none

Imports (4)

statsparallelFNN twinning

LinkingTo (0)

none

Suggests (0)

none

Enhances (0)

none

Reverse dependencies

0direct

–indirect (not tracked)

Nothing depends on this yet.

Code & Tests

Code Composition

R 1,038 (73%)Rd 379 (27%)

Test coverage

Line coverage

–

Expression

–

Tests / Examples

–

Functions

6 4 exported

Complexity

21.7 avg / 40 max

Call network

6 nodes / 6 edges

Test coverage has not been measured for this package yet; nodes fall back to a neutral fill.

Call graph

Open call graph →

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Lowest coverage

Per-function coverage is not measured for this package yet.

People & History

People (2)

Maintainer (1)

Chaofan Huang

Author, Maintainer

Authors (2)

Chaofan Huang

Author, Maintainer

V. Roshan Joseph

Author

Release timeline

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

R
R 4.6.0 released · 2026-04-24
2.1Latest
2025-09-01 · current release · diff ↗
2.0
2025-05-26 · diff ↗
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
1.1
2024-02-16 · diff ↗
1.0
2024-01-10
R
R 4.3.0 released · 2023-04-21

Package metadata

First published: 2024-01-10
Total releases: 4 / 2 yrs
License: GPL (>= 2) OSI
Download size: not tracked yet
Installed size: not tracked yet
With dependencies: not tracked yet