{ "data_id": "757", "name": "meta", "exact_name": "meta", "version": 2, "version_label": null, "description": "**Author**: \n**Source**: Unknown - Date unknown \n**Please cite**: \n\nBinarized version of the original data set (see version 1). It converts the numeric target feature to a two-class nominal target feature by computing the mean and classifying all instances with a lower target value as positive ('P') and all others as negative ('N').", "format": "ARFF", "uploader": "Joaquin Vanschoren", "uploader_id": 2, "visibility": "public", "creator": null, "contributor": null, "date": "2014-10-04 14:32:40", "update_comment": null, "last_update": "2014-10-04 14:32:40", "licence": "Public", "status": "active", "error_message": null, "url": "https:\/\/www.openml.org\/data\/download\/53291\/meta.arff", "default_target_attribute": "binaryClass", "row_id_attribute": null, "ignore_attribute": null, "runs": 691, "suggest": { "input": [ "meta", "Binarized version of the original data set (see version 1). It converts the numeric target feature to a two-class nominal target feature by computing the mean and classifying all instances with a lower target value as positive ('P') and all others as negative ('N'). " ], "weight": 5 }, "qualities": { "NumberOfInstances": 528, "NumberOfFeatures": 22, "NumberOfClasses": 2, "NumberOfMissingValues": 504, "NumberOfInstancesWithMissingValues": 264, "NumberOfNumericFeatures": 19, "NumberOfSymbolicFeatures": 3, "REPTreeDepth3Kappa": 0.1658048948638402, "DecisionStumpKappa": 0, "MaxMeansOfNumericAtts": 10734.181818181822, "MinMutualInformation": 0.11402665885513, "Quartile2SkewnessOfNumericAtts": 1.7320650979838463, "RandomTreeDepth1AUC": 0.7150531333020784, "Dimensionality": 0.041666666666666664, "MaxMutualInformation": 0.11792146975826, "MinNominalAttDistinctValues": 2, "PercentageOfBinaryFeatures": 4.545454545454546, "Quartile2StdDevOfNumericAtts": 1.7507212019928056, "RandomTreeDepth1ErrRate": 0.10227272727272728, "EquivalentNumberOfAtts": 4.105735600494798, "MaxNominalAttDistinctValues": 24, "MinSkewnessOfNumericAtts": -1.5136528754179817, "PercentageOfInstancesWithMissingValues": 50, "Quartile3AttributeEntropy": 4.584962500721156, "RandomTreeDepth1Kappa": 0, "J48.00001.AUC": 0.5, "MaxSkewnessOfNumericAtts": 3.8330763950873186, "MinStdDevOfNumericAtts": 0.1529417422157496, "PercentageOfMissingValues": 4.338842975206612, "Quartile3KurtosisOfNumericAtts": 8.028463169986138, "AutoCorrelation": 0.8292220113851992, "RandomTreeDepth2AUC": 0.7150531333020784, "J48.00001.ErrRate": 0.10227272727272728, "MaxStdDevOfNumericAtts": 14247.300659182505, "MinorityClassPercentage": 10.227272727272728, "PercentageOfNumericFeatures": 86.36363636363636, "Quartile3MeansOfNumericAtts": 22.66717272727274, "CfsSubsetEval_DecisionStumpAUC": 0.5, "RandomTreeDepth2ErrRate": 0.10227272727272728, "J48.00001.Kappa": 0, "MeanAttributeEntropy": 4.522197059679225, "MinorityClassSize": 54, "PercentageOfSymbolicFeatures": 13.636363636363635, "Quartile3MutualInformation": 0.11792146975826, "CfsSubsetEval_DecisionStumpErrRate": 0.10227272727272728, "RandomTreeDepth2Kappa": 0, "J48.0001.AUC": 0.5, "MeanKurtosisOfNumericAtts": 3.7579412085134485, "NaiveBayesAUC": 0.7784543749733623, "Quartile1AttributeEntropy": 4.459431618637295, "Quartile3SkewnessOfNumericAtts": 2.7404147909407492, "CfsSubsetEval_DecisionStumpKappa": 0, "RandomTreeDepth3AUC": 0.7150531333020784, "J48.0001.ErrRate": 0.10227272727272728, "MeanMeansOfNumericAtts": 812.1048783925725, "NaiveBayesErrRate": 0.26325757575757575, "Quartile1KurtosisOfNumericAtts": -0.37040133196174896, "Quartile3StdDevOfNumericAtts": 36.04011335402521, "CfsSubsetEval_NaiveBayesAUC": 0.5, "RandomTreeDepth3ErrRate": 0.10227272727272728, "J48.0001.Kappa": 0, "MeanMutualInformation": 0.11597406430669499, "NaiveBayesKappa": 0.25605157523415645, "Quartile1MeansOfNumericAtts": 0.7006727272727271, "REPTreeDepth1AUC": 0.6405297702766058, "CfsSubsetEval_NaiveBayesErrRate": 0.10227272727272728, "RandomTreeDepth3Kappa": 0, "J48.001.AUC": 0.5, "MeanNoiseToSignalRatio": 37.99317564417001, "NumberOfBinaryFeatures": 1, "Quartile1MutualInformation": 0.11402665885513, "REPTreeDepth1ErrRate": 0.10416666666666667, "CfsSubsetEval_NaiveBayesKappa": 0, "CfsSubsetEval_kNN1NAUC": 0.5, "StdvNominalAttDistinctValues": 12.165525060596439, "J48.001.ErrRate": 0.10227272727272728, "MeanNominalAttDistinctValues": 16, "Quartile1SkewnessOfNumericAtts": 0.043772376563370304, "REPTreeDepth1Kappa": 0.1658048948638402, "CfsSubsetEval_kNN1NErrRate": 0.10227272727272728, "kNN1NAUC": 0.7253867791842474, "J48.001.Kappa": 0, "MeanSkewnessOfNumericAtts": 1.54350589711758, "Quartile1StdDevOfNumericAtts": 0.32807463154603717, "REPTreeDepth2AUC": 0.6405297702766058, "CfsSubsetEval_kNN1NKappa": 0, "kNN1NErrRate": 0.10227272727272728, "MajorityClassPercentage": 89.77272727272727, "MeanStdDevOfNumericAtts": 1053.150479566098, "Quartile2AttributeEntropy": 4.522197059679225, "REPTreeDepth2ErrRate": 0.10416666666666667, "ClassEntropy": 0.47615884455807067, "kNN1NKappa": 0, "MajorityClassSize": 474, "MinAttributeEntropy": 4.459431618637295, "Quartile2KurtosisOfNumericAtts": 1.9476892714267886, "REPTreeDepth2Kappa": 0.1658048948638402, "REPTreeDepth3AUC": 0.6405297702766058, "DecisionStumpAUC": 0.6486755743084858, "MaxAttributeEntropy": 4.584962500721156, "MinKurtosisOfNumericAtts": -1.5827551435207572, "Quartile2MeansOfNumericAtts": 1.8715772727272735, "REPTreeDepth3ErrRate": 0.10416666666666667, "DecisionStumpErrRate": 0.10227272727272728, "MaxKurtosisOfNumericAtts": 13.98575645505466, "MinMeansOfNumericAtts": 0.13636363636363613, "Quartile2MutualInformation": 0.11597406430669499 }, "tags": [ { "uploader": "2", "tag": "binarized_regression_problem" }, { "uploader": "38960", "tag": "Chemistry" }, { "uploader": "38960", "tag": "Life Science" }, { "uploader": "1", "tag": "mythbusting_1" }, { "uploader": "2", "tag": "study_1" }, { "uploader": "5824", "tag": "study_144" }, { "uploader": "939", "tag": "study_15" }, { "uploader": "939", "tag": "study_20" }, { "uploader": "1", "tag": "study_41" } ], "features": [ { "name": "binaryClass", "index": "21", "type": "nominal", "distinct": "2", "missing": "0", "target": "1", "distr": [ [ "P", "N" ], [ [ "474", "0" ], [ "0", "54" ] ] ] }, { "name": "DS_Name", "index": "0", "type": "nominal", "distinct": "22", "missing": "0", "distr": [ [ "Aust_Credit", "BT", "Belgian", "CUT", "Chromosone", "Credit", "DNA", "Diabetes", "Digits", "Faults", "German_Credit", "Head", "Heart", "KlDigits", "Letters", "NewBelgian", "SatImage", "Segment", "Shuttle", "Technical", "TseTse", "Vehicle" ], [ [ "24", "0" ], [ "22", "2" ], [ "22", "2" ], [ "22", "2" ], [ "18", "6" ], [ "24", "0" ], [ "22", "2" ], [ "24", "0" ], [ "23", "1" ], [ "24", "0" ], [ "23", "1" ], [ "24", "0" ], [ "24", "0" ], [ "14", "10" ], [ "19", "5" ], [ "23", "1" ], [ "22", "2" ], [ "21", "3" ], [ "15", "9" ], [ "17", "7" ], [ "23", "1" ], [ "24", "0" ] ] ] }, { "name": "T", "index": "1", "type": "numeric", "distinct": "20", "missing": "0", "min": "270", "max": "20000", "mean": "4569", "stdev": "5578" }, { "name": "N", "index": "2", "type": "numeric", "distinct": "20", "missing": "0", "min": "270", "max": "58000", "mean": "10734", "stdev": "14247" }, { "name": "p", "index": "3", "type": "numeric", "distinct": "18", "missing": "0", "min": "6", "max": "180", "mean": "30", "stdev": "36" }, { "name": "k", "index": "4", "type": "numeric", "distinct": "9", "missing": "0", "min": "2", "max": "91", "mean": "10", "stdev": "19" }, { "name": "Bin", "index": "5", "type": "numeric", "distinct": "7", "missing": "0", "min": "0", "max": "43", "mean": "3", "stdev": "9" }, { "name": "Cost", "index": "6", "type": "numeric", "distinct": "2", "missing": "0", "min": "0", "max": "1", "mean": "0", "stdev": "0" }, { "name": "SDratio", "index": "7", "type": "numeric", "distinct": "22", "missing": "0", "min": "1", "max": "4", "mean": "1", "stdev": "1" }, { "name": "correl", "index": "8", "type": "numeric", "distinct": "21", "missing": "24", "min": "0", "max": "1", "mean": "0", "stdev": "0" }, { "name": "cancor1", "index": "9", "type": "numeric", "distinct": "22", "missing": "0", "min": "1", "max": "1", "mean": "1", "stdev": "0" }, { "name": "cancor2", "index": "10", "type": "numeric", "distinct": "12", "missing": "240", "min": "0", "max": "1", "mean": "1", "stdev": "0" }, { "name": "fract1", "index": "11", "type": "numeric", "distinct": "13", "missing": "0", "min": "0", "max": "1", "mean": "1", "stdev": "0" }, { "name": "fract2", "index": "12", "type": "numeric", "distinct": "10", "missing": "240", "min": "0", "max": "1", "mean": "1", "stdev": "0" }, { "name": "skewness", "index": "13", "type": "numeric", "distinct": "22", "missing": "0", "min": "0", "max": "7", "mean": "2", "stdev": "2" }, { "name": "kurtosis", "index": "14", "type": "numeric", "distinct": "22", "missing": "0", "min": "1", "max": "160", "mean": "23", "stdev": "41" }, { "name": "Hc", "index": "15", "type": "numeric", "distinct": "21", "missing": "0", "min": "0", "max": "5", "mean": "2", "stdev": "1" }, { "name": "Hx", "index": "16", "type": "numeric", "distinct": "22", "missing": "0", "min": "0", "max": "7", "mean": "3", "stdev": "2" }, { "name": "MCx", "index": "17", "type": "numeric", "distinct": "22", "missing": "0", "min": "0", "max": "1", "mean": "0", "stdev": "0" }, { "name": "EnAtr", "index": "18", "type": "numeric", "distinct": "22", "missing": "0", "min": "2", "max": "161", "mean": "21", "stdev": "35" }, { "name": "NSRatio", "index": "19", "type": "numeric", "distinct": "22", "missing": "0", "min": "1", "max": "160", "mean": "29", "stdev": "37" }, { "name": "Alg_Name", "index": "20", "type": "nominal", "distinct": "24", "missing": "0", "distr": [ [ "Ac2", "Alloc80", "BackProp", "Bayes", "BayesTree", "C4_5", "CART", "Cal5", "Cascade", "Castle", "Cn2", "Default", "Dipol92", "Discrim", "ITrule", "IndCART", "KNN", "Kohonen", "LVQ", "LogDisc", "NewId", "QuaDisc", "RBF", "Smart" ], [ [ "21", "1" ], [ "21", "1" ], [ "20", "2" ], [ "18", "4" ], [ "22", "0" ], [ "21", "1" ], [ "16", "6" ], [ "21", "1" ], [ "10", "12" ], [ "20", "2" ], [ "21", "1" ], [ "13", "9" ], [ "22", "0" ], [ "21", "1" ], [ "16", "6" ], [ "21", "1" ], [ "22", "0" ], [ "20", "2" ], [ "21", "1" ], [ "21", "1" ], [ "22", "0" ], [ "21", "1" ], [ "21", "1" ], [ "22", "0" ] ] ] } ], "nr_of_issues": 0, "nr_of_downvotes": 0, "nr_of_likes": 0, "nr_of_downloads": 0, "total_downloads": 0, "reach": 0, "reuse": 0, "impact_of_reuse": 0, "reach_of_reuse": 0, "impact": 0 }