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Authors

Maintainer: Jonathan Bac (@j-bac)

Contributors

In alphabetical order, from the git history:

  • Aritra Das
  • Jackson Burns
  • JesseCresswell
  • Rukun Dou
  • karthikviswanathn
  • Nikolar1
  • Jayesh Suryavanshi
  • Andrei Zinovyev

From the kmyim/scikit-dimension fork

Code ported from https://github.com/kmyim/scikit-dimension, accompanying Binnie, Dłotko, Harvey, Malinowski, Yim, "A Survey of Dimension Estimation Methods" (arXiv:2507.13887). Git authorship of the original files is preserved.

  • Ka Man Yim (@kmyim): id.PH, Laplace-evidence code behind lPCA(ver="Minka"), datasets, embeddings
  • John Harvey (@johnharveymath): datasets, embeddings, lPCA(ver="Minka")
  • Jakub Malinowski: GRIDE reference-test design (id.GRIDE itself is reimplemented from Denti et al. 2022)

HomID generators

The HomID generators are adapted from HomID, based on Aritra Das, Joseph T. Iosue, and Victor V. Albert: "HomID: Benchmarking Intrinsic Dimension Estimators on Homogeneous Manifolds with Anisotropic Embeddings" (arXiv:2510.01335v2).

Original implementations

scikit-dimension builds on the following implementations. Licences and notices are in LICENSES_bundled.txt; method papers are cited in each estimator's docstring.

Code in scikit-dimension Original implementation Authors Licence
DANCo, ESS, KNN, MLE, MiND_ML, lPCA (FO, Fan, maxgap, ratio), hyperTwinPeaks, swissRoll3Sph R package intrinsicDimension Kerstin Johnsson MIT
CorrInt, MADA, lineDiskBall R package ider Hideitsu Hino GPL-2 (BSD-3 with permission)
TLE, MOM MATLAB TLE scripts Laurent Amsaleg, Oussama Chelly, Michael E. Houle, Ken-ichi Kawarabayashi, Miloš Radovanović, Weeris Treeratanajaru CC BY-SA 4.0 (BSD-3 with permission)
TwoNN Python TWO-NN Francesco Mottes MIT
FisherS FisherSeparabilityAnalysis Andrei Zinovyev, Evgeny Mirkes, Luca Albergante, Jonathan Bac none stated (BSD-3 with permission)
lPCA(ver="scRMT") Python randomly Luis Aparicio, Mykola Bordyuh MIT
grassmannian_projector, grassmannian_vector, stiefel_matrix, stiefel_vector, flag_vector HomID Aritra Das, Joseph Iosue, Victor Albert MIT
BenchmarkManifolds GeoMLE Mokrov Nikita, Marina Gomtsyan, Maxim Panov, Yury Yanovich MIT
lorenz_attractor scipython-maths Christian Hill MIT
PH, lPCA(ver="Minka"), fork datasets, embeddings kmyim/scikit-dimension Ka Man Yim, John Harvey BSD-3

Reimplemented from the papers, with these implementations used as references (no code taken): DADApy (Glielmo et al. 2022; GRIDE, TwoNN(method="mle")), Gabriele Lombardi's MATLAB toolbox (DANCo, MiND_ML), Elena Facco's TWO-NN (TwoNN), and PCAtools and scran (lPCA rank versions; only used to generate test fixtures).