{
    "data_id": "1460",
    "name": "banana",
    "exact_name": "banana",
    "version": 1,
    "version_label": null,
    "description": "**Author**:   \n**Source**: KEEL\n**Please cite**:   \n\nAn artificial data set where instances belongs to several clusters with a banana shape. There are two attributes At1 and At2 corresponding to the x and y axis, respectively. The class label (-1 and 1) represents one of the two banana shapes in the dataset.",
    "format": "ARFF",
    "uploader": "Rafael Gomes Mantovani",
    "uploader_id": 64,
    "visibility": "public",
    "creator": null,
    "contributor": null,
    "date": "2015-05-21 22:02:20",
    "update_comment": null,
    "last_update": "2016-01-18 18:50:35",
    "licence": "Public",
    "status": "active",
    "error_message": null,
    "url": "https:\/\/www.openml.org\/data\/download\/1586217\/phpwRjVjk",
    "kaggle_url": null,
    "default_target_attribute": "Class",
    "row_id_attribute": null,
    "ignore_attribute": null,
    "runs": 163,
    "suggest": {
        "input": [
            "banana",
            "An artificial data set where instances belongs to several clusters with a banana shape. There are two attributes At1 and At2 corresponding to the x and y axis, respectively. The class label (-1 and 1) represents one of the two banana shapes in the dataset. "
        ],
        "weight": 5
    },
    "qualities": {
        "NumberOfInstances": 5300,
        "NumberOfFeatures": 3,
        "NumberOfClasses": 2,
        "NumberOfMissingValues": 0,
        "NumberOfInstancesWithMissingValues": 0,
        "NumberOfNumericFeatures": 2,
        "NumberOfSymbolicFeatures": 1,
        "Quartile2SkewnessOfNumericAtts": 0.09728044523028674,
        "REPTreeDepth3Kappa": 0.7619203063504866,
        "DecisionStumpKappa": 0.2010926698166514,
        "MaxMeansOfNumericAtts": 1.756886792452484e-5,
        "MinMutualInformation": null,
        "Quartile2StdDevOfNumericAtts": 0.9999591946804569,
        "RandomTreeDepth1AUC": 0.8668276903784771,
        "Dimensionality": 0.0005660377358490566,
        "MaxMutualInformation": null,
        "MinNominalAttDistinctValues": 2,
        "PercentageOfBinaryFeatures": 33.33333333333333,
        "Quartile3AttributeEntropy": null,
        "RandomTreeDepth1ErrRate": 0.1320754716981132,
        "EquivalentNumberOfAtts": null,
        "MaxNominalAttDistinctValues": 2,
        "MinSkewnessOfNumericAtts": 0.02579616028430407,
        "PercentageOfInstancesWithMissingValues": 0,
        "Quartile3KurtosisOfNumericAtts": -0.6307220671475418,
        "AutoCorrelation": 0.49367805246272883,
        "RandomTreeDepth1Kappa": 0.7331839738931667,
        "J48.00001.AUC": 0.9314032798343674,
        "MaxSkewnessOfNumericAtts": 0.16876473017626942,
        "MinStdDevOfNumericAtts": 0.9998801042036481,
        "PercentageOfMissingValues": 0,
        "Quartile3MeansOfNumericAtts": 1.756886792452484e-5,
        "CfsSubsetEval_DecisionStumpAUC": 0.9314032798343674,
        "RandomTreeDepth2AUC": 0.8668276903784771,
        "J48.00001.ErrRate": 0.11735849056603774,
        "MaxStdDevOfNumericAtts": 1.0000382851572658,
        "MinorityClassPercentage": 44.83018867924528,
        "PercentageOfNumericFeatures": 66.66666666666666,
        "Quartile3MutualInformation": null,
        "CfsSubsetEval_DecisionStumpErrRate": 0.11735849056603774,
        "RandomTreeDepth2ErrRate": 0.1320754716981132,
        "J48.00001.Kappa": 0.7615049999594863,
        "MeanAttributeEntropy": null,
        "MinorityClassSize": 2376,
        "PercentageOfSymbolicFeatures": 33.33333333333333,
        "Quartile3SkewnessOfNumericAtts": 0.16876473017626942,
        "CfsSubsetEval_DecisionStumpKappa": 0.7615049999594863,
        "RandomTreeDepth2Kappa": 0.7331839738931667,
        "J48.0001.AUC": 0.9314032798343674,
        "MeanKurtosisOfNumericAtts": -0.8442896436661711,
        "NaiveBayesAUC": 0.6646934892702676,
        "Quartile1AttributeEntropy": null,
        "Quartile1KurtosisOfNumericAtts": -1.0578572201848004,
        "Quartile3StdDevOfNumericAtts": 1.0000382851572658,
        "CfsSubsetEval_NaiveBayesAUC": 0.9314032798343674,
        "RandomTreeDepth3AUC": 0.8668276903784771,
        "J48.0001.ErrRate": 0.11735849056603774,
        "MeanMeansOfNumericAtts": 1.6657547169821537e-5,
        "NaiveBayesErrRate": 0.3864150943396226,
        "Quartile1MeansOfNumericAtts": 1.574622641511823e-5,
        "REPTreeDepth1AUC": 0.9345796369992676,
        "CfsSubsetEval_NaiveBayesErrRate": 0.11735849056603774,
        "RandomTreeDepth3ErrRate": 0.1320754716981132,
        "J48.0001.Kappa": 0.7615049999594863,
        "MeanMutualInformation": null,
        "NaiveBayesKappa": 0.17933134376024484,
        "Quartile1MutualInformation": null,
        "REPTreeDepth1ErrRate": 0.11735849056603774,
        "CfsSubsetEval_NaiveBayesKappa": 0.7615049999594863,
        "RandomTreeDepth3Kappa": 0.7331839738931667,
        "J48.001.AUC": 0.9314032798343674,
        "MeanNoiseToSignalRatio": null,
        "NumberOfBinaryFeatures": 1,
        "Quartile1SkewnessOfNumericAtts": 0.02579616028430407,
        "REPTreeDepth1Kappa": 0.7619203063504866,
        "CfsSubsetEval_kNN1NAUC": 0.9314032798343674,
        "StdvNominalAttDistinctValues": 0,
        "J48.001.ErrRate": 0.11735849056603774,
        "MeanNominalAttDistinctValues": 2,
        "Quartile1StdDevOfNumericAtts": 0.9998801042036481,
        "REPTreeDepth2AUC": 0.9345796369992676,
        "CfsSubsetEval_kNN1NErrRate": 0.11735849056603774,
        "kNN1NAUC": 0.8655602421847292,
        "J48.001.Kappa": 0.7615049999594863,
        "MeanSkewnessOfNumericAtts": 0.09728044523028674,
        "Quartile2AttributeEntropy": null,
        "REPTreeDepth2ErrRate": 0.11735849056603774,
        "CfsSubsetEval_kNN1NKappa": 0.7615049999594863,
        "kNN1NErrRate": 0.13377358490566038,
        "MajorityClassPercentage": 55.16981132075471,
        "MeanStdDevOfNumericAtts": 0.9999591946804569,
        "Quartile2KurtosisOfNumericAtts": -0.8442896436661711,
        "REPTreeDepth2Kappa": 0.7619203063504866,
        "ClassEntropy": 0.992274432717632,
        "kNN1NKappa": 0.7298067252002739,
        "MajorityClassSize": 2924,
        "MinAttributeEntropy": null,
        "Quartile2MeansOfNumericAtts": 1.6657547169821537e-5,
        "REPTreeDepth3AUC": 0.9345796369992676,
        "DecisionStumpAUC": 0.6074837234635456,
        "MaxAttributeEntropy": null,
        "MinKurtosisOfNumericAtts": -1.0578572201848004,
        "Quartile2MutualInformation": null,
        "REPTreeDepth3ErrRate": 0.11735849056603774,
        "DecisionStumpErrRate": 0.41415094339622643,
        "MaxKurtosisOfNumericAtts": -0.6307220671475418,
        "MinMeansOfNumericAtts": 1.574622641511823e-5
    },
    "tags": [
        {
            "uploader": "2",
            "tag": "artificial"
        },
        {
            "uploader": "38960",
            "tag": "Data Science"
        },
        {
            "uploader": "38960",
            "tag": "Machine Learning"
        },
        {
            "uploader": "38960",
            "tag": "Statistics"
        },
        {
            "uploader": "64",
            "tag": "study_50"
        },
        {
            "uploader": "64",
            "tag": "study_7"
        }
    ],
    "features": [
        {
            "name": "Class",
            "index": "2",
            "type": "nominal",
            "distinct": "2",
            "missing": "0",
            "target": "1",
            "distr": [
                [
                    "1",
                    "2"
                ],
                [
                    [
                        "2924",
                        "0"
                    ],
                    [
                        "0",
                        "2376"
                    ]
                ]
            ]
        },
        {
            "name": "V1",
            "index": "0",
            "type": "numeric",
            "distinct": "2112",
            "missing": "0",
            "min": "-3",
            "max": "3",
            "mean": "0",
            "stdev": "1"
        },
        {
            "name": "V2",
            "index": "1",
            "type": "numeric",
            "distinct": "1933",
            "missing": "0",
            "min": "-2",
            "max": "3",
            "mean": "0",
            "stdev": "1"
        }
    ],
    "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
}