{ "data_id": "1222", "name": "letter-challenge-unlabeled.arff", "exact_name": "letter-challenge-unlabeled.arff", "version": 1, "version_label": null, "description": "", "format": "ARFF", "uploader": "Jan van Rijn", "uploader_id": 1, "visibility": "public", "creator": null, "contributor": null, "date": "2014-12-02 10:05:59", "update_comment": null, "last_update": "2014-12-02 10:05:59", "licence": "Public", "status": "active", "error_message": null, "url": "https:\/\/www.openml.org\/data\/download\/249037\/letter-challenge-unlabeled.arff", "kaggle_url": null, "default_target_attribute": "letter", "row_id_attribute": null, "ignore_attribute": null, "runs": 68, "suggest": { "input": [ "letter-challenge-unlabeled.arff", " " ], "weight": 5 }, "qualities": { "NumberOfInstances": 20000, "NumberOfFeatures": 17, "NumberOfClasses": 3, "NumberOfMissingValues": 10000, "NumberOfInstancesWithMissingValues": 0, "NumberOfNumericFeatures": 16, "NumberOfSymbolicFeatures": 1, "Quartile1KurtosisOfNumericAtts": 0.3091324958538847, "Quartile3StdDevOfNumericAtts": 2.547423135491913, "CfsSubsetEval_NaiveBayesAUC": 0.7379949302035071, "RandomTreeDepth3AUC": 0.7108317756329597, "J48.0001.ErrRate": 0.0783, "MeanMeansOfNumericAtts": 5.925465624999999, "NaiveBayesErrRate": 0.1975, "Quartile1MeansOfNumericAtts": 4.1748125, "REPTreeDepth1AUC": 0.7329231201223371, "CfsSubsetEval_NaiveBayesErrRate": 0.0748, "RandomTreeDepth3ErrRate": 0.0866, "J48.0001.Kappa": 0.8042312061957947, "MeanMutualInformation": null, "NaiveBayesKappa": 0.5337758724882913, "Quartile1MutualInformation": null, "REPTreeDepth1ErrRate": 0.0971, "CfsSubsetEval_NaiveBayesKappa": 0.8131703886055918, "RandomTreeDepth3Kappa": 0.7826759070394937, "J48.001.AUC": 0.7319529952305276, "MeanNoiseToSignalRatio": null, "NumberOfBinaryFeatures": 1, "Quartile1SkewnessOfNumericAtts": -0.13733042812366641, "REPTreeDepth1Kappa": 0.753695331017241, "CfsSubsetEval_kNN1NAUC": 0.7379949302035071, "StdvNominalAttDistinctValues": 0, "J48.001.ErrRate": 0.0783, "MeanNominalAttDistinctValues": 2, "Quartile1StdDevOfNumericAtts": 2.01743881282673, "REPTreeDepth2AUC": 0.7329231201223371, "CfsSubsetEval_kNN1NErrRate": 0.0748, "kNN1NAUC": 0.7532589929648917, "J48.001.Kappa": 0.8042312061957947, "MeanSkewnessOfNumericAtts": 0.29029703410184415, "Quartile2AttributeEntropy": null, "REPTreeDepth2ErrRate": 0.0971, "CfsSubsetEval_kNN1NKappa": 0.8131703886055918, "kNN1NErrRate": 0.0321, "MajorityClassPercentage": 50, "MeanStdDevOfNumericAtts": 2.273771145446365, "Quartile2KurtosisOfNumericAtts": 0.8853044390128935, "REPTreeDepth2Kappa": 0.753695331017241, "ClassEntropy": 0.5789769306918972, "kNN1NKappa": 0.9201180958144868, "MajorityClassSize": 10000, "MinAttributeEntropy": null, "Quartile2MeansOfNumericAtts": 5.913225000000001, "REPTreeDepth3AUC": 0.7329231201223371, "DecisionStumpAUC": 0.5726462662467543, "MaxAttributeEntropy": null, "MinKurtosisOfNumericAtts": -0.421178822116858, "Quartile2MutualInformation": null, "REPTreeDepth3ErrRate": 0.0971, "DecisionStumpErrRate": 0.276, "MaxKurtosisOfNumericAtts": 2.075245046157449, "MinMeansOfNumericAtts": 3.0461000000000014, "Quartile2SkewnessOfNumericAtts": 0.25433458793987324, "REPTreeDepth3Kappa": 0.753695331017241, "DecisionStumpKappa": 0, "MaxMeansOfNumericAtts": 8.338849999999997, "MinMutualInformation": null, "PercentageOfBinaryFeatures": 5.88235294117647, "Quartile2StdDevOfNumericAtts": 2.2933721022270297, "RandomTreeDepth1AUC": 0.7108317756329597, "Dimensionality": 0.00085, "MaxMutualInformation": null, "MinNominalAttDistinctValues": 2, "PercentageOfInstancesWithMissingValues": 0, "Quartile3AttributeEntropy": null, "RandomTreeDepth1ErrRate": 0.0866, "EquivalentNumberOfAtts": null, "MaxNominalAttDistinctValues": 2, "MinSkewnessOfNumericAtts": -0.3100790698726865, "PercentageOfMissingValues": 2.941176470588235, "Quartile3KurtosisOfNumericAtts": 1.1728389823381866, "AutoCorrelation": 0.303815190759538, "RandomTreeDepth1Kappa": 0.7826759070394937, "J48.00001.AUC": 0.7319529952305276, "MaxSkewnessOfNumericAtts": 1.1599750154235964, "MinStdDevOfNumericAtts": 1.54672243631995, "PercentageOfNumericFeatures": 94.11764705882352, "Quartile3MeansOfNumericAtts": 7.726012500000003, "CfsSubsetEval_DecisionStumpAUC": 0.7379949302035071, "RandomTreeDepth2AUC": 0.7108317756329597, "J48.00001.ErrRate": 0.0783, "MaxStdDevOfNumericAtts": 3.304555303560274, "MinorityClassPercentage": 13.8, "PercentageOfSymbolicFeatures": 5.88235294117647, "Quartile3MutualInformation": null, "CfsSubsetEval_DecisionStumpErrRate": 0.0748, "RandomTreeDepth2ErrRate": 0.0866, "J48.00001.Kappa": 0.8042312061957947, "MeanAttributeEntropy": null, "MinorityClassSize": 2760, "Quartile1AttributeEntropy": null, "Quartile3SkewnessOfNumericAtts": 0.6533780026276319, "CfsSubsetEval_DecisionStumpKappa": 0.8131703886055918, "RandomTreeDepth2Kappa": 0.7826759070394937, "J48.0001.AUC": 0.7319529952305276, "MeanKurtosisOfNumericAtts": 0.6977379005298902, "NaiveBayesAUC": 0.6980384744779582 }, "tags": [ { "uploader": "38960", "tag": "Data Processing" }, { "uploader": "38960", "tag": "Image Analysis" }, { "uploader": "38960", "tag": "Machine Learning" }, { "uploader": "2", "tag": "origin_unknown" } ], "features": [ { "name": "letter", "index": "16", "type": "nominal", "distinct": "2", "missing": "10000", "target": "1", "distr": [ [ "-", "+" ], [ [ "7240", "0" ], [ "0", "2760" ] ] ] }, { "name": "x-box", "index": "0", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "4", "stdev": "2" }, { "name": "y-box", "index": "1", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "7", "stdev": "3" }, { "name": "width", "index": "2", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "5", "stdev": "2" }, { "name": "height", "index": "3", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "5", "stdev": "2" }, { "name": "onpixels", "index": "4", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "4", "stdev": "2" }, { "name": "x-bar", "index": "5", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "7", "stdev": "2" }, { "name": "y-bar", "index": "6", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "8", "stdev": "2" }, { "name": "x2bar", "index": "7", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "5", "stdev": "3" }, { "name": "y2bar", "index": "8", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "5", "stdev": "2" }, { "name": "xybar", "index": "9", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "8", "stdev": "2" }, { "name": "x2ybr", "index": "10", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "6", "stdev": "3" }, { "name": "xy2br", "index": "11", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "8", "stdev": "2" }, { "name": "x-edge", "index": "12", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "3", "stdev": "2" }, { "name": "xedgevy", "index": "13", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "8", "stdev": "2" }, { "name": "y-edge", "index": "14", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "4", "stdev": "3" }, { "name": "yedgevx", "index": "15", "type": "numeric", "distinct": "16", "missing": "0", "min": "0", "max": "15", "mean": "8", "stdev": "2" } ], "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 }