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Python version of the jMetal framework

Project description


jMetalPy

jMetalPy: Python version of the jMetal framework

Build Status Read the Docs PyPI License PyPI Python version

A preprint of the paper introducing JMetalPy is available at: https://arxiv.org/abs/1903.02915

Table of Contents

Installation

To download jMetalPy just clone the Git repository hosted in GitHub:

git clone https://github.com/jMetal/jMetalPy.git
python setup.py install

Alternatively, you can install it with pip:

pip install jmetalpy

Usage

Examples of configuring and running all the included algorithms are located in the examples folder.

Features

The current release of jMetalPy (v1.5.0) contains the following components:

  • Algorithms: local search, genetic algorithm, evolution strategy, simulated annealing, random search, NSGA-II, NSGA-III, SMPSO, OMOPSO, MOEA/D, MOEA/D-DRA, MOEA/D-IEpsilon, GDE3, SPEA2, HYPE, IBEA. Preference articulation-based algorithms; G-NSGA-II and SMPSO/RP; Dynamic versions of NSGA-II and SMPSO.
  • Parallel computing based on Apache Spark and Dask.
  • Benchmark problems: ZDT1-6, DTLZ1-2, FDA, LZ09, LIR-CMOP, unconstrained (Kursawe, Fonseca, Schaffer, Viennet2), constrained (Srinivas, Tanaka).
  • Encodings: real, binary, permutations.
  • Operators: selection (binary tournament, ranking and crowding distance, random, nary random, best solution), crossover (single-point, SBX), mutation (bit-blip, polynomial, uniform, random).
  • Quality indicators: hypervolume, additive epsilon, GD, IGD.
  • Pareto front plotting for problems with two or more objectives (as scatter plot/parallel coordinates/chordplot) in real-time, static or interactive.
  • Experiment class for performing studies either alone or alongside jMetal.
  • Pairwise and multiple hypothesis testing for statistical analysis, including several frequentist and Bayesian testing methods, critical distance plots and posterior diagrams.


Scatter plot 2D
Scatter plot 3D
Parallel coordinates

Interactive chord plot

License

This project is licensed under the terms of the MIT - see the LICENSE file for details.

Project details


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