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albatross

0.3-9Package record

PARAFAC Analysis of Fluorescence Excitation-Emission Matrices

0packages depend
4.1Kdownloads / year
80.1%test coverage
13/13flavors OK

Overview

About

Perform parallel factor analysis (PARAFAC: Hitchcock, 1927) doi:10.1002/sapm192761164 on fluorescence excitation-emission matrices: handle scattering signal and inner filter effect, scale the dataset, fit the model; perform split-half validation or jack-knifing. Modified approaches such as Whittaker interpolation, randomised split-half, and fluorescence and scattering model estimation are also available. The package has a low dependency footprint and has been tested on a wide range of R versions.

Changes in 0.3-9

Bug fixes

  • feemparafac now works when the effective subset of X leaves only one sample. Previously it dropped the third dimension and failed.
  • On R >= 4.6, bibliography generation now avoids producing invalid HTML. Thanks to Prof. Kurt Hornik for the report and diagnosis.
  • coef.feemsplithalf(kind = "aggtcc") used to produce harmless warnings when testing only one number of factors.

New features

  • The coef.feemparafac() method gains three new type arguments, "scores.sum", "scores.peak", and "scores.int". They enable comparison of score-derived values between the factors, since the raw scores depend on the arbitrary scaling of the model.

From inst/NEWS.Rd in the release

Install

Health

CRAN checks
13OK
Slowest check: 3.8 min · r-oldrel-windows-x86_64
Status changes
  • OK13 OK2026-09-08
  • ERROR12 OK, 1 ERROR2026-09-07
  • OK13 OK2026-08-05
  • NOTE12 OK, 1 NOTE2026-08-01
  • OK14 OK2026-03-10
Advisories

none known

Documentation

In release 0.3-9
READMENoVignettesNoNEWSYes · mentions 0.3-9Citation fileYes · cites a publicationWebsitenot declared in DESCRIPTION
Help pages
24 (2 internal)includes a package overview page
Examples that run
88%21 run in a plain check · 3 only when donttest examples are enabled (R CMD check --as-cran)
Exported functions with examples
100%
Documented parameters
88%
Return-value docs
94%
Help pages citing references
63%

Downloads

4.1K
CRAN downloads in the past year
Rank #7,011 · ~11/day · ~338/mo
Daily download trend is not available in this view yet.
44930 days
1.2K90 days
4.1K1 year
Compare downloads with other packages →
Also on118 r2u25 autocran

Dependencies

Declared dependencies
3 external dependencies (excludes base and recommended)

Installing albatross adds 4 packages (1 with compiled code, 630 KB of source tarballs). Heaviest: pracma 389 KB, multiway 175 KB, quadprog 35 KB.

Depends (1)
R >= 3.3
Imports (6)
multiwayCMLSpracmalatticeparallelMatrix
LinkingTo (0)
none
Suggests (0)
none
Enhances (0)
none
Reverse dependencies
0direct
0indirect

Nothing depends on this yet.

Datasets

People & History

People (3)
Author, Maintainer since 0.1-1 (2020)
Reviewer · added in 0.3-4
Thesis advisor
Releases (12)

Pick two releases to compare their code metrics.

  • R
    R 4.6.0 released · 2026-04-24
  • 0.3-9Latest
    record
    2025-09-02 · current release · diff ↗
  • R
    R 4.5.0 released · 2025-04-11
  • 0.3-8
    record
    2024-05-07 · diff ↗ ·
    added 1 export
    feemcorcondia
  • R
    R 4.4.0 released · 2024-04-24
  • 0.3-7
    record
    2023-11-10 · diff ↗ ·
    added 1 export
    rescale
  • 0.3-6
    record
    2023-07-17 · diff ↗ ·
    added 1 export
    absindex
  • R
    R 4.3.0 released · 2023-04-21
  • 0.3-5
    record
    2022-10-06 · diff ↗ ·
    added 1 export
    diverging.colours
  • R
    R 4.2.0 released · 2022-04-22
  • 0.3-4
    record
    2022-02-26 · diff ↗ ·
    added 2 exports
    feemindex, feemflame
  • 0.3-2
    record
    2021-07-14 · diff ↗
  • R
    R 4.1.0 released · 2021-05-18
  • 0.3-1
    record
    2021-04-03 · diff ↗
  • 0.3-0
    record
    2021-03-27 · diff ↗ ·
    added 3 exports
    feemlist, feemgrid, write.openfluor
  • 0.2-0
    record
    2020-11-30 · diff ↗
Show 3 earlier eventsHide 3 earlier events

Package metadata

First published
2020-09-25
Total releases
12 / 6 yrs
License
GPL (>= 3) OSI
Minimum R
≥ 3.3
Bundled data
2.0 KB / 1 file
Download size
1.0 MB

Cite

Cite this package

Run in R for the authors' entry:

citation("albatross")

The package provides a citation file, so citation() returns the authors' own entry.

It points to 10.1016/j.chemolab.2020.104176, 10.1016/j.saa.2023.122441.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for albatross version 0.3-9 [Data set]. HJJB, LLC. Data release v2026-10-25. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-25, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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