pcaPP

2.0-5

Robust PCA by Projection Pursuit

34packages depend

546.8Kdownloads / year

31.1%test coverage

13/13checks pass

Overview

About

Maintained by Valentin TodorovFirst published 2006-04-0338 releasesCRAN page ↗GitHub ↗

Provides functions for robust PCA by projection pursuit. The methods are described in Croux et al. (2006) doi:10.2139/ssrn.968376, Croux et al. (2013) doi:10.1080/00401706.2012.727746, Todorov and Filzmoser (2013) doi:10.1007/978-3-642-33042-1_31.

Install

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

install.packages("pcaPP", 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("valentint/pcaPP")

Development version from valentint/pcaPP. 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-pcapp

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

# 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-pcaPP

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

Health

CRAN checks

13OK

Slowest check: 2.3 min · r-release-macos-x86_64

Code health

Yes

Tests · ratio 0.10

31.1%

Coverage · measured lines

100%

Documentation · exports

Dependencies · direct

Check history

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

Documentation

READMEYes · 210 wordsVignettesYes · dynamicpkgdown siteNoNEWSNoCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 99%
Return-value docs: 100%
References docs: 93%

Downloads

546.8K

CRAN downloads in the past year

Rank #560 · ~1.5K/day · ~45.6K/mo

Releases R versions

Daily download trend is not available in this view yet.

38K30 days

126.6K90 days

546.8K1 year

Compare downloads with other packages →

Also on8.6K r2u37 autocran21.3K conda_forge28.8K bioconda604 c2d4u

Repository

GitHub ↗ valentint/pcapp

2Stars

0Forks

0Open issues

0Open PRs

0Releases

20Commits

1Contributors

20 commits · Last activity 2025-06-30

Stars over time

2025-04-09 · 22026-07-07 · 2

Repository practices

Upstream repositoryBeta

3 development-tooling and community-health practices detected across 3 families in the upstream repository

Checks run against github.com/valentint/pcapp on 2026-07-26.

Continuous integration (1)

GitHub Actions

Coverage (1)

Codecov

Git structural (1)

.gitattributes

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

Dependencies

Declared dependencies

2 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.6.2

Imports (2)

mvtnormmethods

LinkingTo (0)

none

Suggests (1)

robustbase

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

34direct

308indirect

Code & Tests

People & History

People (4)

Maintainer (1)

Valentin Todorov

Maintainer · added in 2.0-4-1

Authors (3)

Peter Filzmoser

Author · added in 1.9-1

Heinrich Fritz

Author · added in 1.9-1

Klaudius Kalcher

Author · added in 1.9-1

Listed in earlier versions (1)

Peter Filzmoser Heinrich Fritz Klaudius Kalcher

no longer listed · 1.0 to 1.8-3

Package Timeline

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

R
R 4.6.0 released · 2026-04-24
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R 4.5.0 released · 2025-04-11
2.0-5Latest
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R 4.4.0 released · 2024-04-24
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R 4.3.0 released · 2023-04-21
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R 4.2.0 released · 2022-04-22
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R 4.1.0 released · 2021-05-18
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2021-04-23 · diff ↗
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R 4.0.0 released · 2020-04-24
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R 3.6.0 released · 2019-04-26
R
R 3.5.0 released · 2018-04-23

Show 51 earlier events

1.9-73
2018-01-14 · diff ↗
1.9-72.1
2018-01-04 · diff ↗
orphanedOrphaned by its maintainer
2018-01-04
C++ errors were not corrected Maintainer un-orphaned again on 2018-01-14
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R 3.4.0 released · 2017-04-21
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R 3.3.0 released · 2016-05-03
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R 3.2.0 released · 2015-04-16
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R 3.1.0 released · 2014-04-10
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R 3.0.0 released · 2013-04-03
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R 2.15.0 released · 2012-03-30
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R 2.14.0 released · 2011-10-31
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R 2.13.0 released · 2011-04-13
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R 2.12.0 released · 2010-10-15
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R 2.11.0 released · 2010-04-22
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R 2.10.0 released · 2009-10-26
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R 2.9.0 released · 2009-04-17
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R 2.8.0 released · 2008-10-20
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R 2.7.0 released · 2008-04-22
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R 2.6.0 released · 2007-10-03
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R 2.5.0 released · 2007-04-24
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2006-10-04 · diff ↗
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R 2.4.0 released · 2006-10-03
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R 2.3.0 released · 2006-04-24
1.0
2006-04-03
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R 2.2.0 released · 2005-10-06

Package metadata

First published: 2006-04-03
Total releases: 38 / 20 yrs
License: GPL (>= 3) OSI
Minimum R: ≥ 3.6.2
Download size: 196 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Appears in task views

Chemometrics and Computational Physics Psychometric Models and Methods Robust Statistical Methods

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