JuliaDynamics/ComplexityMeasures.jl

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Estimators for probabilities, entropies, and other complexity measures derived from data in the context of nonlinear dynamics and complex systems

Stars: 79
Forks: 19
Open beginner issues: 0
Indexed issues: 49
Avg merge: 3h 42m
Merged PRs (30d): 1

Dominant language: Julia
License: MIT
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted

Beginner friendly Everything

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49 open issues indexed

Link check during doc build fails. Open

bug documentation

JuliaDynamics/ComplexityMeasures.jl#445 · 1 assignee · Opened Apr 21, 2026
Avoid FFTW dependency because of GPL Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaDynamics/ComplexityMeasures.jl#443 · 3 comments · Opened Jan 4, 2026
Horizontal visibility graphs Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#440 · 4 comments · Opened Sep 11, 2025
Confusion about dispersion entropy outcomes and probabilities Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

JuliaDynamics/ComplexityMeasures.jl#433 · 3 comments · Opened Jan 9, 2025
Optimize transfer operator estimation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#425 · 5 comments · Opened Aug 18, 2024
Generalize transfer operator Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#424 · 14 comments · Opened Aug 18, 2024
Rank-based outcome space Open

encodings enhancement new outcome space

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#421 · 4 comments · Opened Jul 31, 2024
Variant of `codify` that also returns the outcomes. Open

encodings enhancement outcomes/probabilities

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaDynamics/ComplexityMeasures.jl#420 · 2 comments · Opened Jul 27, 2024
Our new fluctuation complexity generalization is incorrect. Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#410 · 8 comments · Opened Jun 8, 2024
`AddConstant` estimator lacks reference Open

documentation good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

JuliaDynamics/ComplexityMeasures.jl#407 · Opened Jun 4, 2024
Good-Turing probabilities estimator Open

enhancement new probabilities

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#406 · 2 comments · Opened Jun 4, 2024
"Amplitude entropy" Open

enhancement good first issue new outcome space

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDynamics/ComplexityMeasures.jl#405 · Opened Jun 4, 2024
Encoding complex-valued data Open

documentation good first issue

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#398 · 2 comments · Opened Apr 7, 2024
Syntax with type parameter `{m}` in `OrdinalPatterns` is not harmonious with the rest of the library Open

discussion-design documentation high priority

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#394 · 10 comments · Opened Jan 20, 2024
`counts_and_outcomes` for `BubbleSortSwaps` should also accept state space sets Open

enhancement good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

JuliaDynamics/ComplexityMeasures.jl#391 · Opened Jan 16, 2024
Feature: "attention entropy" Open

new outcome space

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#387 · Opened Jan 15, 2024
Feature: "increment entropy" Open

new outcome space

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#385 · 1 comment · Opened Jan 15, 2024
Reproducibility for `OrdinalPatternEncoding` Open

discussion-design good first issue

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#379 · 3 comments · Opened Jan 13, 2024
The function `lt` in `OrdinalPatternEncoding` isn't actually used Open

bug good first issue

Difficulty 1/5 Under an hour Newbie friendliness 45/100

JuliaDynamics/ComplexityMeasures.jl#378 · 1 comment · Opened Jan 13, 2024
Some documentation issues for CI Open

discussion-design documentation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#374 · 2 comments · Opened Jan 11, 2024
Some generalizations of Lempel-Ziv complexity Open

new complexity measure

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#356 · Opened Dec 22, 2023
Slices of higher-dimensional `Counts` and `Probabilities` should yield new `Counts` and `Probabilities` Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#350 · 3 comments · Opened Dec 21, 2023
Add generic histogram method for `Vector{<:Any}`, so we can use `counts(::UniqueElements, x)` on any data Open

enhancement good first issue

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaDynamics/ComplexityMeasures.jl#349 · 10 comments · Opened Dec 21, 2023
Assembly index and related measures Open

new complexity measure

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#342 · 1 comment · Opened Dec 14, 2023
Extra bin when using `probabilities` vs `invariantmeasure` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

JuliaDynamics/ComplexityMeasures.jl#338 · 4 comments · Opened Dec 10, 2023
Discussion on invariant measure estimation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#337 · 6 comments · Opened Dec 2, 2023
Sample entropy is negative with unsigned numbers Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaDynamics/ComplexityMeasures.jl#334 · Opened Oct 21, 2023
Estimating Differential Entropy using Recursive Copula Splitting Open

new differential entropy estimator

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#323 · Opened Oct 2, 2023
Consistent formatting for `InformationMeasure`s Open

documentation good first issue

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#303 · 1 comment · 1 reaction · Opened Aug 25, 2023
Allow `information_normalized(info, probabilities::Probaiblities)` Open

enhancement good first issue

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#295 · 1 comment · 1 reaction · Opened Aug 20, 2023
`Jackknife` estimator is very slow Open

good first issue performance

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaDynamics/ComplexityMeasures.jl#290 · 1 reaction · Opened Aug 19, 2023
Density estimation interface Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#278 · 1 comment · Opened Jul 22, 2023
Effort to compress complexity measure Open

new complexity estimator

JuliaDynamics/ComplexityMeasures.jl#271 · 1 comment · 1 assignee · Opened Jul 17, 2023
Parametric estimation of `SampleEntropy`. Open

low priority new complexity estimator

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#233 · 1 comment · Opened Dec 30, 2022
Differential entropy docstrings: simplify the Shannon-based ones? Open

documentation low priority

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#231 · Opened Dec 28, 2022
Generalize `GaussianCDFEncoding` to arbitrary CDF encoding Open

encodings enhancement good first issue

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#218 · 2 comments · Opened Dec 23, 2022
Performance of `AAPE` is suboptimal Open

good first issue low priority performance

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

JuliaDynamics/ComplexityMeasures.jl#217 · 10 comments · Opened Dec 22, 2022
Parallellization Open

improvement low priority performance

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaDynamics/ComplexityMeasures.jl#216 · 4 comments · Opened Dec 22, 2022
Subdivision of permutation patterns for multivariate permutation probabilities/entropy Open

discussion-design enhancement low priority symbolization

Difficulty 5/5 Over a week Newbie friendliness 28/100

JuliaDynamics/ComplexityMeasures.jl#206 · 2 comments · Opened Dec 21, 2022
Determining the bin visitations for `TransferOperator` can be faster Open

performance

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#194 · Opened Dec 19, 2022
Circular boundary condition for `TransferOperator` Open

enhancement

JuliaDynamics/ComplexityMeasures.jl#193 · 1 assignee · Opened Dec 19, 2022
Implement `entropy_maximum` for `Kaniadakis` entropy Open

enhancement help wanted

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDynamics/ComplexityMeasures.jl#183 · Opened Dec 16, 2022
`Diversity` estimates for multivariate data Open

enhancement good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

JuliaDynamics/ComplexityMeasures.jl#180 · Opened Nov 25, 2022
Generalized interface for multivariate multiscale methods. Open

enhancement new method

JuliaDynamics/ComplexityMeasures.jl#139 · 3 comments · 1 assignee · Opened Oct 23, 2022
Add tables with currently available literature methods for entropies and complexity measures. Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#135 · Opened Oct 18, 2022
reset `gh-pages` and enable clearing preview PR commits Open

cleanup

JuliaDynamics/ComplexityMeasures.jl#111 · 2 comments · 1 assignee · Opened Sep 29, 2022
Improve `PowerSpectrum` estimator: add threhsold Open

good first issue improvement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDynamics/ComplexityMeasures.jl#104 · 7 comments · 1 reaction · Opened Sep 27, 2022
Excess entropy Open

new method

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaDynamics/ComplexityMeasures.jl#69 · 1 reaction · Opened Aug 24, 2022
Implement a SimpleWavelets package? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaDynamics/ComplexityMeasures.jl#64 · 1 comment · Opened Dec 9, 2021

JuliaDynamics/ComplexityMeasures.jl

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