{ "_id": "6a13fb57acfb0bcc41d35a04", "Package": "ecr", "Title": "Evolutionary Computation in R", "Description": "Framework for building evolutionary algorithms for both\nsingle- and multi-objective continuous or discrete optimization\nproblems. A set of predefined evolutionary building blocks and\noperators is included. Moreover, the user can easily set up\ncustom objective functions, operators, building blocks and\nrepresentations sticking to few conventions. The package allows\nboth a black-box approach for standard tasks (plug-and-play\nstyle) and a much more flexible white-box approach where the\nevolutionary cycle is written by hand.", "Version": "2.1.1", "Encoding": "UTF-8", "Date": "2023-03-08", "Authors@R": "c(\nperson(\"Jakob\", \"Bossek\", email = \"j.bossek@gmail.com\", role = c(\"aut\", \"cre\", \"cph\")),\nperson(\"Michael H.\", \"Buselli\", role = c(\"ctb\", \"cph\")),\nperson(\"Wessel\", \"Dankers\", role = c(\"ctb\", \"cph\")),\nperson(\"Carlos M.\", \"Fonseca\", role = c(\"ctb\", \"cph\")),\nperson(\"Manuel\", \"Lopez-Ibanez\", role = c(\"ctb\", \"cph\")),\nperson(\"Luis\", \"Paquete\", role = c(\"ctb\", \"cph\")),\nperson(\"Joshua\", \"Knowles\", role = c(\"ctb\", \"cph\")),\nperson(\"Eckart\", \"Zitzler\", role = c(\"ctb\", \"cph\")),\nperson(\"Olaf\", \"Mersmann\", role = \"ctb\"))", "Maintainer": "Jakob Bossek ", "License": "GPL-3", "URL": "https://github.com/jakobbossek/ecr2", "BugReports": "https://github.com/jakobbossek/ecr2/issues", "ByteCompile": "yes", "VignetteBuilder": "knitr", "LazyData": "true", "RoxygenNote": "7.2.3", "Config/pak/sysreqs": "cmake libfontconfig1-dev libfreetype6-dev\nlibfribidi-dev libglu1-mesa-dev make libharfbuzz-dev texlive\nlibicu-dev libpng-dev libuv1-dev libxml2-dev libgl1-mesa-dev\nlibssl-dev zlib1g-dev", "Repository": "https://jakobbossek.r-universe.dev", "Date/Publication": "2026-01-19 11:18:23 UTC", "RemoteUrl": "https://github.com/jakobbossek/ecr2", "RemoteRef": "HEAD", "RemoteSha": "ae5032dbd34a793c5957455928e31c20fdd425f0", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-05-25 07:27:34 UTC", "User": "root" }, "Author": "Jakob Bossek [aut, cre, cph],\nMichael H. Buselli [ctb, cph],\nWessel Dankers [ctb, cph],\nCarlos M. 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"computeAverageHausdorffDistance", "title": "Average Hausdorff Distance computation", "topics": [ "computeAverageHausdorffDistance" ] }, { "page": "computeCrowdingDistance", "title": "Compute the crowding distance of a set of points", "topics": [ "computeCrowdingDistance" ] }, { "page": "computeDistanceFromPointToSetOfPoints", "title": "Computes distance between a single point and set of points", "topics": [ "computeDistanceFromPointToSetOfPoints" ] }, { "page": "computeDominanceRanking", "title": "Ranking of approximation sets", "concept": [ "EMOA performance assessment tools" ], "topics": [ "computeDominanceRanking" ] }, { "page": "computeGenerationalDistance", "title": "Computes Generational Distance", "topics": [ "computeGenerationalDistance" ] }, { "page": "dominated_hypervolume", "title": "Functions for the calculation of the dominated hypervolume (contribution)", "topics": [ "computeHV", "computeHVContr" ] }, { "page": "computeIndicators", "title": "Computation of EMOA performance indicators", "topics": [ "computeIndicators" ] }, { "page": "computeInvertedGenerationalDistance", "title": "Computes Inverted Generational Distance", "topics": [ "computeInvertedGenerationalDistance" ] }, { "page": "dominated", "title": "Check for pareto dominance", "topics": [ "dominated", "nondominated" ] }, { "page": "dominates", "title": "Dominance relation check", "topics": [ "%dominates%", "%isDominatedBy%", "dominates", "isDominated" ] }, { "page": "doNondominatedSorting", "title": "Fast non-dominated sorting algorithm", "topics": [ "doNondominatedSorting" ] }, { "page": "ecr", "title": "Interface to ecr similar to the optim function", "topics": [ "ecr" ] }, { "page": "ecr_parallelization", "title": "Parallelization in ecr", "topics": [ "ecr_parallelization" ] }, { "page": "ecr_result", "title": "Result object", "topics": [ "ecr_result" ] }, { "page": "emoa_indicators", "title": "EMOA performance indicators", "concept": [ "EMOA performance assessment tools" ], "topics": [ "emoaIndC", "emoaIndDelta", "emoaIndDeltap", "emoaIndEps", "emoaIndGD", "emoaIndHV", "emoaIndIGD", "emoaIndM1", "emoaIndMD", "emoaIndONVG", "emoaIndR1", "emoaIndR2", "emoaIndR3", "emoaIndSP" ] }, { "page": "evaluateFitness", "title": "Computes the fitness value(s) for each individual of a given set", "topics": [ "evaluateFitness" ] }, { "page": "explode", "title": "Explode/implode data frame column(s)", "topics": [ "explode", "implode" ] }, { "page": "filterDuplicated", "title": "Filter approximation sets by duplicate objective vectors", "topics": [ "filterDuplicated", "filterDuplicated.data.frame", "filterDuplicated.ecr_multi_objective_result", "filterDuplicated.list", "filterDuplicated.matrix" ] }, { "page": "generateOffspring", "title": "Helper functions for offspring generation", "topics": [ "generateOffspring", "mutate", "recombinate" ] }, { "page": "generatesMultipleChildren", "title": "Does the recombinator generate multiple children?", "topics": [ 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"Get size of Pareto-archive", "concept": [ "ParetoArchive" ], "topics": [ "getSize" ] }, { "page": "getStatistics", "title": "Access the logged statistics", "concept": [ "logging" ], "topics": [ "getStatistics" ] }, { "page": "getSupportedRepresentations", "title": "Get supported representations", "topics": [ "getSupportedRepresentations" ] }, { "page": "initECRControl", "title": "Control object generator", "topics": [ "initECRControl" ] }, { "page": "initLogger", "title": "Initialize a log object", "concept": [ "logging" ], "topics": [ "initLogger" ] }, { "page": "initParetoArchive", "title": "Initialize Pareto Archive", "concept": [ "ParetoArchive" ], "topics": [ "initParetoArchive" ] }, { "page": "initPopulation", "title": "Helper function to build initial population", "topics": [ "initPopulation" ] }, { "page": "is.supported", "title": "Check if ecr operator supports given representation", "topics": [ "is.supported" ] }, { "page": "isEcrOperator", "title": "Check if given function is an ecr operator", "topics": [ "isEcrOperator" ] }, { "page": "makeECRMonitor", "title": "Factory method for monitor objects", "topics": [ "makeECRMonitor" ] }, { "page": "makeEMOAIndicator", "title": "Constructor for EMOA indicators", "concept": [ "EMOA performance assessment tools" ], "topics": [ "makeEMOAIndicator" ] }, { "page": "makeMutator", "title": "Construct a mutation operator", "topics": [ "makeMutator" ] }, { "page": "makeOperator", "title": "Construct evolutionary operator", "topics": [ "makeOperator" ] }, { "page": "makeOptimizationTask", "title": "Creates an optimization task", "topics": [ "makeOptimizationTask" ] }, { "page": "makeRecombinator", "title": "Construct a recombination operator", "topics": [ "makeRecombinator" ] }, { "page": "makeSelector", "title": "Construct a selection operator", "topics": [ "makeSelector" ] }, { "page": "makeTerminator", "title": "Generate stopping condition", "topics": [ "makeTerminator" ] }, { "page": "mcMST", "title": "mcMST", "topics": [ "mcMST" ] }, { "page": "mutBitflip", "title": "Bitplip mutator", "concept": [ "mutators" ], "topics": [ "mutBitflip" ] }, { "page": "mutGauss", "title": "Gaussian mutator", "concept": [ "mutators" ], "topics": [ "mutGauss" ] }, { "page": "mutInsertion", "title": "Insertion mutator", "concept": [ "mutators" ], "topics": [ "mutInsertion" ] }, { "page": "mutInversion", "title": "Inversion mutator", "concept": [ "mutators" ], "topics": [ "mutInversion" ] }, { "page": "mutJump", "title": "Jump mutator", "concept": [ "mutators" ], "topics": [ "mutJump" ] }, { "page": "mutPolynomial", "title": "Polynomial mutation", "concept": [ "mutators" ], "topics": [ "mutPolynomial" ] }, { "page": "mutScramble", "title": "Scramble mutator", "concept": [ "mutators" ], "topics": [ "mutScramble" ] }, { "page": "mutSwap", "title": "Swap mutator", "concept": [ "mutators" ], "topics": [ "mutSwap" ] }, { "page": "mutUniform", "title": "Uniform mutator", "concept": [ "mutators" ], "topics": [ "mutUniform" ] }, { "page": "niceCellFormater", "title": "Formatter for table cells of LaTeX tables", "concept": [ "EMOA performance assessment tools" ], "topics": [ "niceCellFormater" ] }, { "page": "normalize", "title": "Normalize approximations set(s)", "concept": [ "EMOA performance assessment tools" ], "topics": [ "normalize" ] }, { "page": "nsga2", "title": "Implementation of the NSGA-II EMOA algorithm by Deb", "topics": [ "nsga2" ] }, { "page": "plotDistribution", "title": "Plot distribution of EMOA indicators", "concept": [ "EMOA performance assessment tools" ], "topics": [ "plotDistribution" ] }, { "page": "plotFront", "title": "Draw scatterplot of Pareto-front approximation", "concept": [ "EMOA performance assessment tools" ], "topics": [ "plotFront" ] }, { "page": "plotHeatmap", "title": "Plot heatmap", "topics": [ "plotHeatmap" ] }, { "page": "plotScatter2d", "title": "Visualize bi-objective Pareto-front approximations", "concept": [ "EMOA performance assessment tools" ], "topics": [ "plotScatter2d" ] }, { "page": "plotScatter3d", "title": "Visualize three-objective Pareto-front approximations", "concept": [ "EMOA performance assessment tools" ], "topics": [ "plotScatter3d" ] }, { "page": "plotStatistics", "title": "Generate line plot of logged statistics", "topics": [ "plotStatistics" ] }, { "page": "recCrossover", "title": "One-point crossover recombinator", "concept": [ "recombinators" ], "topics": [ "recCrossover" ] }, { "page": "recIntermediate", "title": "Indermediate recombinator", "concept": [ "recombinators" ], "topics": [ "recIntermediate" ] }, { "page": "recOX", "title": "Ordered-Crossover (OX) recombinator", "concept": [ "recombinators" ], "topics": [ "recOX" ] }, { "page": "recPMX", "title": "Partially-Mapped-Crossover (PMX) recombinator", "concept": [ "recombinators" ], "topics": [ "recPMX" ] }, { "page": "recSBX", "title": "Simulated Binary Crossover (SBX) recombinator", "concept": [ "recombinators" ], "topics": [ "recSBX" ] }, { "page": "recUnifCrossover", "title": "Uniform crossover recombinator", "concept": [ "recombinators" ], "topics": [ "recUnifCrossover" ] }, { "page": "reduceToSingleDataFrame", "title": "Combine multiple data frames into a single data.frame", "topics": [ "reduceToSingleDataFrame" ] }, { "page": "registerECROperator", "title": "Register operators to control object", "topics": [ "registerECROperator" ] }, { "page": "replace", "title": "(mu + lambda) selection", "topics": [ "replace", "replaceMuCommaLambda", "replaceMuPlusLambda" ] }, { "page": "selDomHV", "title": "Dominated Hypervolume selector", "concept": [ "selectors" ], "topics": [ "selDomHV" ] }, { "page": "selDomNumberPlusHV", "title": "Modified dominated Hypervolume selector", "concept": [ "selectors" ], "topics": [ "selDomNumberPlusHV" ] }, { "page": "select", "title": "Select individuals", "topics": [ "select", "selectForMating", "selectForSurvival" ] }, { "page": "selGreedy", "title": "Simple selector", "concept": [ "selectors" ], 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