{ "data_id": "991", "name": "car", "exact_name": "car", "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). The multi-class target feature is converted to a two-class nominal target feature by re-labeling the majority class as positive ('P') and all others as negative ('N'). Originally converted by Quan Sun.", "format": "ARFF", "uploader": "Joaquin Vanschoren", "uploader_id": 2, "visibility": "public", "creator": null, "contributor": null, "date": "2014-10-04 22:44:31", "update_comment": null, "last_update": "2014-10-04 22:44:31", "licence": "Public", "status": "active", "error_message": null, "url": "https:\/\/www.openml.org\/data\/download\/53525\/car.arff", "default_target_attribute": "binaryClass", "row_id_attribute": null, "ignore_attribute": null, "runs": 765, "suggest": { "input": [ "car", "Binarized version of the original data set (see version 1). The multi-class target feature is converted to a two-class nominal target feature by re-labeling the majority class as positive ('P') and all others as negative ('N'). Originally converted by Quan Sun. " ], "weight": 5 }, "qualities": { "NumberOfInstances": 1728, "NumberOfFeatures": 7, "NumberOfClasses": 2, "NumberOfMissingValues": 0, "NumberOfInstancesWithMissingValues": 0, "NumberOfNumericFeatures": 0, "NumberOfSymbolicFeatures": 7, "MeanStdDevOfNumericAtts": null, "Quartile2AttributeEntropy": 1.792481250360578, "REPTreeDepth2ErrRate": 0.07465277777777778, "CfsSubsetEval_kNN1NKappa": 0.8444899636518864, "kNN1NErrRate": 0.04224537037037037, "MajorityClassPercentage": 70.02314814814815, "MinAttributeEntropy": 1.584962500721156, "Quartile2KurtosisOfNumericAtts": null, "REPTreeDepth2Kappa": 0.8244062904694535, "ClassEntropy": 0.8810077539356893, "kNN1NKappa": 0.8975042332805732, "MajorityClassSize": 1210, "MinKurtosisOfNumericAtts": null, "Quartile2MeansOfNumericAtts": null, "REPTreeDepth3AUC": 0.9729003797185617, "DecisionStumpAUC": 0.7318181818181818, "MaxAttributeEntropy": 2, "MaxKurtosisOfNumericAtts": null, "MinMeansOfNumericAtts": null, "Quartile2MutualInformation": 0.03061260457518, "REPTreeDepth3ErrRate": 0.07465277777777778, "DecisionStumpErrRate": 0.29976851851851855, "MaxMeansOfNumericAtts": null, "MinMutualInformation": 0.00367080993057, "Quartile2SkewnessOfNumericAtts": null, "REPTreeDepth3Kappa": 0.8244062904694535, "DecisionStumpKappa": 0, "MaxMutualInformation": 0.22862893404585, "MinNominalAttDistinctValues": 2, "PercentageOfBinaryFeatures": 14.285714285714285, "Quartile2StdDevOfNumericAtts": null, "RandomTreeDepth1AUC": 0.922499920227193, "Dimensionality": 0.004050925925925926, "MaxNominalAttDistinctValues": 4, "MinSkewnessOfNumericAtts": null, "PercentageOfInstancesWithMissingValues": 0, "Quartile3AttributeEntropy": 2, "RandomTreeDepth1ErrRate": 0.0931712962962963, "EquivalentNumberOfAtts": 10.059353326234058, "MaxSkewnessOfNumericAtts": null, "MinStdDevOfNumericAtts": null, "PercentageOfMissingValues": 0, "Quartile3KurtosisOfNumericAtts": null, "AutoCorrelation": 0.6543138390272148, "RandomTreeDepth1Kappa": 0.77720474471377, "J48.00001.AUC": 0.9751810842719933, "MaxStdDevOfNumericAtts": null, "MinorityClassPercentage": 29.976851851851855, "PercentageOfNumericFeatures": 0, "Quartile3MeansOfNumericAtts": null, "CfsSubsetEval_DecisionStumpAUC": 0.9751810842719933, "RandomTreeDepth2AUC": 0.922499920227193, "J48.00001.ErrRate": 0.06539351851851852, "MeanAttributeEntropy": 1.792481250360578, "MinorityClassSize": 518, "PercentageOfSymbolicFeatures": 100, "Quartile3MutualInformation": 0.22168608860175001, "CfsSubsetEval_DecisionStumpErrRate": 0.06539351851851852, "RandomTreeDepth2ErrRate": 0.0931712962962963, "J48.00001.Kappa": 0.8444899636518864, "MeanKurtosisOfNumericAtts": null, "NaiveBayesAUC": 0.9863492772583682, "Quartile1AttributeEntropy": 1.584962500721156, "Quartile3SkewnessOfNumericAtts": null, "CfsSubsetEval_DecisionStumpKappa": 0.8444899636518864, "RandomTreeDepth2Kappa": 0.77720474471377, "J48.0001.AUC": 0.9751810842719933, "MeanMeansOfNumericAtts": null, "NaiveBayesErrRate": 0.06365740740740741, "Quartile1KurtosisOfNumericAtts": null, "Quartile3StdDevOfNumericAtts": null, "CfsSubsetEval_NaiveBayesAUC": 0.9751810842719933, "RandomTreeDepth3AUC": 0.922499920227193, "J48.0001.ErrRate": 0.06539351851851852, "MeanMutualInformation": 0.08758095330423334, "NaiveBayesKappa": 0.845467434993561, "Quartile1MeansOfNumericAtts": null, "REPTreeDepth1AUC": 0.9729003797185617, "CfsSubsetEval_NaiveBayesErrRate": 0.06539351851851852, "RandomTreeDepth3ErrRate": 0.0931712962962963, "J48.0001.Kappa": 0.8444899636518864, "MeanNoiseToSignalRatio": 19.466564735073923, "NumberOfBinaryFeatures": 1, "Quartile1MutualInformation": 0.01035942241632, "REPTreeDepth1ErrRate": 0.07465277777777778, "CfsSubsetEval_NaiveBayesKappa": 0.8444899636518864, "RandomTreeDepth3Kappa": 0.77720474471377, "J48.001.AUC": 0.9751810842719933, "MeanNominalAttDistinctValues": 3.2857142857142856, "Quartile1SkewnessOfNumericAtts": null, "REPTreeDepth1Kappa": 0.8244062904694535, "CfsSubsetEval_kNN1NAUC": 0.9751810842719933, "StdvNominalAttDistinctValues": 0.7559289460184544, "J48.001.ErrRate": 0.06539351851851852, "MeanSkewnessOfNumericAtts": null, "Quartile1StdDevOfNumericAtts": null, "REPTreeDepth2AUC": 0.9729003797185617, "CfsSubsetEval_kNN1NErrRate": 0.06539351851851852, "kNN1NAUC": 0.9921487603305785, "J48.001.Kappa": 0.8444899636518864 }, "tags": [ { "tag": "derived", "uploader": "2" }, { "tag": "mythbusting_1", "uploader": "1" }, { "tag": "study_1", "uploader": "2" }, { "tag": "study_15", "uploader": "939" }, { "tag": "study_20", "uploader": "939" }, { "tag": "study_41", "uploader": "1" }, { "tag": "study_7", "uploader": "64" } ], "features": [ { "name": "binaryClass", "index": "6", "type": "nominal", "distinct": "2", "missing": "0", "target": "1", "distr": [ [ "P", "N" ], [ [ "1210", "0" ], [ "0", "518" ] ] ] }, { "name": "buying", "index": "0", "type": "nominal", "distinct": "4", "missing": "0", "distr": [ [ "vhigh", "high", "med", "low" ], [ [ "360", "72" ], [ "324", "108" ], [ "268", "164" ], [ "258", "174" ] ] ] }, { "name": "maint", "index": "1", "type": "nominal", "distinct": "4", "missing": "0", "distr": [ [ "vhigh", "high", "med", "low" ], [ [ "360", "72" ], [ "314", "118" ], [ "268", "164" ], [ "268", "164" ] ] ] }, { "name": "doors", "index": "2", "type": "nominal", "distinct": "4", "missing": "0", "distr": [ [ "2", "3", "4", "5more" ], [ [ "326", "106" ], [ "300", "132" ], [ "292", "140" ], [ "292", "140" ] ] ] }, { "name": "persons", "index": "3", "type": "nominal", "distinct": "3", "missing": "0", "distr": [ [ "2", "4", "more" ], [ [ "576", "0" ], [ "312", "264" ], [ "322", "254" ] ] ] }, { "name": "lug_boot", "index": "4", "type": "nominal", "distinct": "3", "missing": "0", "distr": [ [ "small", "med", "big" ], [ [ "450", "126" ], [ "392", "184" ], [ "368", "208" ] ] ] }, { "name": "safety", "index": "5", "type": "nominal", "distinct": "3", "missing": "0", "distr": [ [ "low", "med", "high" ], [ [ "576", "0" ], [ "357", "219" ], [ "277", "299" ] ] ] } ], "nr_of_issues": 0, "nr_of_downvotes": 0, "nr_of_likes": 0, "nr_of_downloads": 12, "total_downloads": 12, "reach": 12, "reuse": 8, "impact_of_reuse": 0, "reach_of_reuse": 0, "impact": 8 }