DEVELOPMENT... { "data_id": "841", "name": "stock", "exact_name": "stock", "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": "Felicia West", "uploader_id": 2, "visibility": "public", "creator": null, "contributor": null, "date": "2014-10-04 14:35:00", "update_comment": null, "last_update": "2014-10-04 14:35:00", "licence": "Public", "status": "active", "error_message": null, "url": "https:\/\/www.openml.org\/data\/download\/53375\/stock.arff", "default_target_attribute": "binaryClass", "row_id_attribute": null, "ignore_attribute": null, "runs": 773, "suggest": { "input": [ "stock", "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": 950, "NumberOfFeatures": 10, "NumberOfClasses": 2, "NumberOfMissingValues": 0, "NumberOfInstancesWithMissingValues": 0, "NumberOfNumericFeatures": 9, "NumberOfSymbolicFeatures": 1, "AutoCorrelation": 0.9683877766069547, "CfsSubsetEval_DecisionStumpAUC": 0.960688560073806, "CfsSubsetEval_DecisionStumpErrRate": 0.09368421052631579, "CfsSubsetEval_DecisionStumpKappa": 0.8125451731767773, "CfsSubsetEval_NaiveBayesAUC": 0.960688560073806, "CfsSubsetEval_NaiveBayesErrRate": 0.09368421052631579, "CfsSubsetEval_NaiveBayesKappa": 0.8125451731767773, "CfsSubsetEval_kNN1NAUC": 0.960688560073806, "CfsSubsetEval_kNN1NErrRate": 0.09368421052631579, "CfsSubsetEval_kNN1NKappa": 0.8125451731767773, "ClassEntropy": 0.9994596212552502, "DecisionStumpAUC": 0.8276359910581222, "DecisionStumpErrRate": 0.1736842105263158, "DecisionStumpKappa": 0.6556080413050643, "Dimensionality": 0.010526315789473684, "EquivalentNumberOfAtts": null, "J48.00001.AUC": 0.9667207792207793, "J48.00001.ErrRate": 0.04842105263157895, "J48.00001.Kappa": 0.9032080871082918, "J48.0001.AUC": 0.9667207792207793, "J48.0001.ErrRate": 0.04842105263157895, "J48.0001.Kappa": 0.9032080871082918, "J48.001.AUC": 0.9667207792207793, "J48.001.ErrRate": 0.04842105263157895, "J48.001.Kappa": 0.9032080871082918, "MajorityClassPercentage": 51.368421052631575, "MajorityClassSize": 488, "MaxAttributeEntropy": null, "MaxKurtosisOfNumericAtts": -0.01653551738792114, "MaxMeansOfNumericAtts": 70.67342105263158, "MaxMutualInformation": null, "MaxNominalAttDistinctValues": 2, "MaxSkewnessOfNumericAtts": 0.7472680615575348, "MaxStdDevOfNumericAtts": 14.299411859985135, "MeanAttributeEntropy": null, "MeanKurtosisOfNumericAtts": -0.7783488319532679, "MeanMeansOfNumericAtts": 41.011834736842104, "MeanMutualInformation": null, "MeanNoiseToSignalRatio": null, "MeanNominalAttDistinctValues": 2, "MeanSkewnessOfNumericAtts": -0.01876371046009106, "MeanStdDevOfNumericAtts": 7.146450898233586, "MinAttributeEntropy": null, "MinKurtosisOfNumericAtts": -1.3033426685691742, "MinMeansOfNumericAtts": 18.704473684210534, "MinMutualInformation": null, "MinNominalAttDistinctValues": 2, "MinSkewnessOfNumericAtts": -0.6612333028612706, "MinStdDevOfNumericAtts": 2.7303637936300658, "MinorityClassPercentage": 48.63157894736842, "MinorityClassSize": 462, "NaiveBayesAUC": 0.8340518770846639, "NaiveBayesErrRate": 0.2873684210526316, "NaiveBayesKappa": 0.42651877993445925, "NumberOfBinaryFeatures": 1, "PercentageOfBinaryFeatures": 10, "PercentageOfInstancesWithMissingValues": 0, "PercentageOfMissingValues": 0, "PercentageOfNumericFeatures": 90, "PercentageOfSymbolicFeatures": 10, "Quartile1AttributeEntropy": null, "Quartile1KurtosisOfNumericAtts": -1.0499852348096583, "Quartile1MeansOfNumericAtts": 23.708421052631586, "Quartile1MutualInformation": null, "Quartile1SkewnessOfNumericAtts": -0.3950441847542017, "Quartile1StdDevOfNumericAtts": 3.6201250758003445, "Quartile2AttributeEntropy": null, "Quartile2KurtosisOfNumericAtts": -0.98881687827269, "Quartile2MeansOfNumericAtts": 43.95552631578955, "Quartile2MutualInformation": null, "Quartile2SkewnessOfNumericAtts": -0.03965595441994931, "Quartile2StdDevOfNumericAtts": 5.606898180547986, "Quartile3AttributeEntropy": null, "Quartile3KurtosisOfNumericAtts": -0.3734500423074336, "Quartile3MeansOfNumericAtts": 53.108223684210486, "Quartile3MutualInformation": null, "Quartile3SkewnessOfNumericAtts": 0.4010425856973435, "Quartile3StdDevOfNumericAtts": 11.06853584906198, "REPTreeDepth1AUC": 0.9752856433184302, "REPTreeDepth1ErrRate": 0.06315789473684211, "REPTreeDepth1Kappa": 0.8737351361888391, "REPTreeDepth2AUC": 0.9752856433184302, "REPTreeDepth2ErrRate": 0.06315789473684211, "REPTreeDepth2Kappa": 0.8737351361888391, "REPTreeDepth3AUC": 0.9752856433184302, "REPTreeDepth3ErrRate": 0.06315789473684211, "REPTreeDepth3Kappa": 0.8737351361888391, "RandomTreeDepth1AUC": 0.94829589809098, "RandomTreeDepth1ErrRate": 0.05157894736842105, "RandomTreeDepth1Kappa": 0.8967469179343173, "RandomTreeDepth2AUC": 0.94829589809098, "RandomTreeDepth2ErrRate": 0.05157894736842105, "RandomTreeDepth2Kappa": 0.8967469179343173, "RandomTreeDepth3AUC": 0.94829589809098, "RandomTreeDepth3ErrRate": 0.05157894736842105, "RandomTreeDepth3Kappa": 0.8967469179343173, "StdvNominalAttDistinctValues": 0, "kNN1NAUC": 0.9535918316656021, "kNN1NErrRate": 0.04631578947368421, "kNN1NKappa": 0.9072882934835648 }, "tags": [ { "tag": "binarized_regression_problem", "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" }, { "tag": "study_236", "uploader": "0" }, { "tag": "study_293", "uploader": "0" } ], "features": [ { "name": "binaryClass", "index": "9", "type": "nominal", "distinct": "2", "missing": "0", "target": "1", "distr": [ [ "P", "N" ], [ [ "488", "0" ], [ "0", "462" ] ] ] }, { "name": "company1", "index": "0", "type": "numeric", "distinct": "415", "missing": "0", "min": "17", "max": "62", "mean": "38", "stdev": "11" }, { "name": "company2", "index": "1", "type": "numeric", "distinct": "271", "missing": "0", "min": "19", "max": "60", "mean": "44", "stdev": "11" }, { "name": "company3", "index": "2", "type": "numeric", "distinct": "94", "missing": "0", "min": "13", "max": "25", "mean": "19", "stdev": "3" }, { "name": "company4", "index": "3", "type": "numeric", "distinct": "186", "missing": "0", "min": "34", "max": "60", "mean": "45", "stdev": "6" }, { "name": "company5", "index": "4", "type": "numeric", "distinct": "373", "missing": "0", "min": "28", "max": "94", "mean": "61", "stdev": "14" }, { "name": "company6", "index": "5", "type": "numeric", "distinct": "153", "missing": "0", "min": "14", "max": "35", "mean": "24", "stdev": "6" }, { "name": "company7", "index": "6", "type": "numeric", "distinct": "203", "missing": "0", "min": "58", "max": "87", "mean": "71", "stdev": "7" }, { "name": "company8", "index": "7", "type": "numeric", "distinct": "99", "missing": "0", "min": "16", "max": "29", "mean": "23", "stdev": "3" }, { "name": "company9", "index": "8", "type": "numeric", "distinct": "155", "missing": "0", "min": "32", "max": "53", "mean": "44", "stdev": "4" } ], "nr_of_issues": 0, "nr_of_downvotes": 0, "nr_of_likes": 0, "nr_of_downloads": 16, "total_downloads": 18, "reach": 16, "reuse": 15, "impact_of_reuse": 0, "reach_of_reuse": 0, "impact": 15 }