{
    "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": "Joaquin Vanschoren",
    "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",
    "kaggle_url": null,
    "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,
        "RandomTreeDepth1Kappa": 0.8967469179343173,
        "J48.00001.AUC": 0.9667207792207793,
        "MaxSkewnessOfNumericAtts": 0.7472680615575348,
        "MinStdDevOfNumericAtts": 2.7303637936300658,
        "PercentageOfMissingValues": 0,
        "Quartile3KurtosisOfNumericAtts": -0.3734500423074336,
        "AutoCorrelation": 0.9683877766069547,
        "RandomTreeDepth2AUC": 0.94829589809098,
        "J48.00001.ErrRate": 0.04842105263157895,
        "MaxStdDevOfNumericAtts": 14.299411859985135,
        "MinorityClassPercentage": 48.63157894736842,
        "PercentageOfNumericFeatures": 90,
        "Quartile3MeansOfNumericAtts": 53.108223684210486,
        "CfsSubsetEval_DecisionStumpAUC": 0.960688560073806,
        "RandomTreeDepth2ErrRate": 0.05157894736842105,
        "J48.00001.Kappa": 0.9032080871082918,
        "MeanAttributeEntropy": null,
        "MinorityClassSize": 462,
        "PercentageOfSymbolicFeatures": 10,
        "Quartile3MutualInformation": null,
        "CfsSubsetEval_DecisionStumpErrRate": 0.09368421052631579,
        "RandomTreeDepth2Kappa": 0.8967469179343173,
        "J48.0001.AUC": 0.9667207792207793,
        "MeanKurtosisOfNumericAtts": -0.7783488319532679,
        "NaiveBayesAUC": 0.8340518770846639,
        "Quartile1AttributeEntropy": null,
        "Quartile3SkewnessOfNumericAtts": 0.4010425856973435,
        "CfsSubsetEval_DecisionStumpKappa": 0.8125451731767773,
        "RandomTreeDepth3AUC": 0.94829589809098,
        "J48.0001.ErrRate": 0.04842105263157895,
        "MeanMeansOfNumericAtts": 41.011834736842104,
        "NaiveBayesErrRate": 0.2873684210526316,
        "Quartile1KurtosisOfNumericAtts": -1.0499852348096583,
        "Quartile3StdDevOfNumericAtts": 11.06853584906198,
        "CfsSubsetEval_NaiveBayesAUC": 0.960688560073806,
        "CfsSubsetEval_NaiveBayesErrRate": 0.09368421052631579,
        "RandomTreeDepth3ErrRate": 0.05157894736842105,
        "J48.0001.Kappa": 0.9032080871082918,
        "MeanMutualInformation": null,
        "NaiveBayesKappa": 0.42651877993445925,
        "Quartile1MeansOfNumericAtts": 23.708421052631586,
        "REPTreeDepth1AUC": 0.9752856433184302,
        "CfsSubsetEval_NaiveBayesKappa": 0.8125451731767773,
        "RandomTreeDepth3Kappa": 0.8967469179343173,
        "J48.001.AUC": 0.9667207792207793,
        "MeanNoiseToSignalRatio": null,
        "NumberOfBinaryFeatures": 1,
        "Quartile1MutualInformation": null,
        "REPTreeDepth1ErrRate": 0.06315789473684211,
        "CfsSubsetEval_kNN1NAUC": 0.960688560073806,
        "StdvNominalAttDistinctValues": 0,
        "J48.001.ErrRate": 0.04842105263157895,
        "MeanNominalAttDistinctValues": 2,
        "Quartile1SkewnessOfNumericAtts": -0.3950441847542017,
        "REPTreeDepth1Kappa": 0.8737351361888391,
        "CfsSubsetEval_kNN1NErrRate": 0.09368421052631579,
        "kNN1NAUC": 0.9535918316656021,
        "J48.001.Kappa": 0.9032080871082918,
        "MeanSkewnessOfNumericAtts": -0.01876371046009106,
        "Quartile1StdDevOfNumericAtts": 3.6201250758003445,
        "REPTreeDepth2AUC": 0.9752856433184302,
        "REPTreeDepth2ErrRate": 0.06315789473684211,
        "CfsSubsetEval_kNN1NKappa": 0.8125451731767773,
        "kNN1NErrRate": 0.04631578947368421,
        "MajorityClassPercentage": 51.368421052631575,
        "MeanStdDevOfNumericAtts": 7.146450898233586,
        "Quartile2AttributeEntropy": null,
        "REPTreeDepth2Kappa": 0.8737351361888391,
        "ClassEntropy": 0.9994596212552502,
        "kNN1NKappa": 0.9072882934835648,
        "MajorityClassSize": 488,
        "MinAttributeEntropy": null,
        "Quartile2KurtosisOfNumericAtts": -0.98881687827269,
        "REPTreeDepth3AUC": 0.9752856433184302,
        "DecisionStumpAUC": 0.8276359910581222,
        "MaxAttributeEntropy": null,
        "MinKurtosisOfNumericAtts": -1.3033426685691742,
        "Quartile2MeansOfNumericAtts": 43.95552631578955,
        "REPTreeDepth3ErrRate": 0.06315789473684211,
        "DecisionStumpErrRate": 0.1736842105263158,
        "MaxKurtosisOfNumericAtts": -0.01653551738792114,
        "MinMeansOfNumericAtts": 18.704473684210534,
        "Quartile2MutualInformation": null,
        "REPTreeDepth3Kappa": 0.8737351361888391,
        "DecisionStumpKappa": 0.6556080413050643,
        "MaxMeansOfNumericAtts": 70.67342105263158,
        "MinMutualInformation": null,
        "Quartile2SkewnessOfNumericAtts": -0.03965595441994931,
        "RandomTreeDepth1AUC": 0.94829589809098,
        "Dimensionality": 0.010526315789473684,
        "MaxMutualInformation": null,
        "MinNominalAttDistinctValues": 2,
        "PercentageOfBinaryFeatures": 10,
        "Quartile2StdDevOfNumericAtts": 5.606898180547986,
        "RandomTreeDepth1ErrRate": 0.05157894736842105,
        "EquivalentNumberOfAtts": null,
        "MaxNominalAttDistinctValues": 2,
        "MinSkewnessOfNumericAtts": -0.6612333028612706,
        "PercentageOfInstancesWithMissingValues": 0,
        "Quartile3AttributeEntropy": null
    },
    "tags": [
        {
            "uploader": "2",
            "tag": "binarized_regression_problem"
        },
        {
            "uploader": "38960",
            "tag": "Data Science"
        },
        {
            "uploader": "38960",
            "tag": "Finance"
        },
        {
            "uploader": "1",
            "tag": "mythbusting_1"
        },
        {
            "uploader": "2",
            "tag": "study_1"
        },
        {
            "uploader": "939",
            "tag": "study_15"
        },
        {
            "uploader": "939",
            "tag": "study_20"
        },
        {
            "uploader": "1",
            "tag": "study_41"
        },
        {
            "uploader": "64",
            "tag": "study_7"
        }
    ],
    "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": 0,
    "total_downloads": 0,
    "reach": 0,
    "reuse": 0,
    "impact_of_reuse": 0,
    "reach_of_reuse": 0,
    "impact": 0
}