{
    "data_id": "765",
    "name": "analcatdata_apnea2",
    "exact_name": "analcatdata_apnea2",
    "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 14:32:53",
    "update_comment": null,
    "last_update": "2014-10-04 14:32:53",
    "licence": "Public",
    "status": "active",
    "error_message": null,
    "url": "https:\/\/www.openml.org\/data\/download\/53299\/analcatdata_apnea2.arff",
    "kaggle_url": null,
    "default_target_attribute": "binaryClass",
    "row_id_attribute": null,
    "ignore_attribute": null,
    "runs": 751,
    "suggest": {
        "input": [
            "analcatdata_apnea2",
            "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": 475,
        "NumberOfFeatures": 4,
        "NumberOfClasses": 2,
        "NumberOfMissingValues": 0,
        "NumberOfInstancesWithMissingValues": 0,
        "NumberOfNumericFeatures": 1,
        "NumberOfSymbolicFeatures": 3,
        "MaxSkewnessOfNumericAtts": 0,
        "MinStdDevOfNumericAtts": 5.483000195079379,
        "PercentageOfMissingValues": 0,
        "Quartile3KurtosisOfNumericAtts": -1.2067266277278035,
        "AutoCorrelation": 0.7932489451476793,
        "RandomTreeDepth1Kappa": 0.6545318734888841,
        "J48.00001.AUC": 0.8838959854014599,
        "MaxStdDevOfNumericAtts": 5.483000195079379,
        "MinorityClassPercentage": 13.473684210526315,
        "PercentageOfNumericFeatures": 25,
        "Quartile3MeansOfNumericAtts": 10,
        "CfsSubsetEval_DecisionStumpAUC": 0.9359793187347931,
        "RandomTreeDepth2AUC": 0.8164727798053528,
        "J48.00001.ErrRate": 0.06736842105263158,
        "MeanAttributeEntropy": 2.321928094887362,
        "MinorityClassSize": 64,
        "PercentageOfSymbolicFeatures": 75,
        "Quartile3MutualInformation": 0.15146556687594,
        "CfsSubsetEval_DecisionStumpErrRate": 0.06736842105263158,
        "RandomTreeDepth2ErrRate": 0.07789473684210527,
        "J48.00001.Kappa": 0.67698061883713,
        "J48.0001.AUC": 0.8838959854014599,
        "MeanKurtosisOfNumericAtts": -1.2067266277278035,
        "NaiveBayesAUC": 0.9420240267639902,
        "Quartile1AttributeEntropy": 2.321928094887362,
        "Quartile3SkewnessOfNumericAtts": 0,
        "CfsSubsetEval_DecisionStumpKappa": 0.67698061883713,
        "RandomTreeDepth2Kappa": 0.6545318734888841,
        "J48.0001.ErrRate": 0.06736842105263158,
        "MeanMeansOfNumericAtts": 10,
        "NaiveBayesErrRate": 0.061052631578947365,
        "Quartile1KurtosisOfNumericAtts": -1.2067266277278035,
        "Quartile3StdDevOfNumericAtts": 5.483000195079379,
        "CfsSubsetEval_NaiveBayesAUC": 0.9359793187347931,
        "RandomTreeDepth3AUC": 0.8164727798053528,
        "J48.0001.Kappa": 0.67698061883713,
        "MeanMutualInformation": 0.150776473035095,
        "NaiveBayesKappa": 0.7050889550193753,
        "Quartile1MeansOfNumericAtts": 10,
        "REPTreeDepth1AUC": 0.9359793187347931,
        "CfsSubsetEval_NaiveBayesErrRate": 0.06736842105263158,
        "RandomTreeDepth3ErrRate": 0.07789473684210527,
        "RandomTreeDepth3Kappa": 0.6545318734888841,
        "J48.001.AUC": 0.8838959854014599,
        "MeanNoiseToSignalRatio": 14.399803750197194,
        "NumberOfBinaryFeatures": 1,
        "Quartile1MutualInformation": 0.15008737919425,
        "REPTreeDepth1ErrRate": 0.06736842105263158,
        "CfsSubsetEval_NaiveBayesKappa": 0.67698061883713,
        "StdvNominalAttDistinctValues": 1.7320508075688772,
        "J48.001.ErrRate": 0.06736842105263158,
        "MeanNominalAttDistinctValues": 4,
        "Quartile1SkewnessOfNumericAtts": 0,
        "REPTreeDepth1Kappa": 0.67698061883713,
        "CfsSubsetEval_kNN1NAUC": 0.9359793187347931,
        "kNN1NAUC": 0.8654767335766423,
        "J48.001.Kappa": 0.67698061883713,
        "MeanSkewnessOfNumericAtts": 0,
        "Quartile1StdDevOfNumericAtts": 5.483000195079379,
        "REPTreeDepth2AUC": 0.9359793187347931,
        "CfsSubsetEval_kNN1NErrRate": 0.06736842105263158,
        "kNN1NErrRate": 0.06526315789473684,
        "MajorityClassPercentage": 86.52631578947368,
        "MeanStdDevOfNumericAtts": 5.483000195079379,
        "Quartile2AttributeEntropy": 2.321928094887362,
        "REPTreeDepth2ErrRate": 0.06736842105263158,
        "CfsSubsetEval_kNN1NKappa": 0.67698061883713,
        "kNN1NKappa": 0.7105537318420382,
        "MajorityClassSize": 411,
        "MinAttributeEntropy": 2.321928094887362,
        "Quartile2KurtosisOfNumericAtts": -1.2067266277278035,
        "REPTreeDepth2Kappa": 0.67698061883713,
        "ClassEntropy": 0.5702873371274225,
        "MaxAttributeEntropy": 2.321928094887362,
        "MinKurtosisOfNumericAtts": -1.2067266277278035,
        "Quartile2MeansOfNumericAtts": 10,
        "REPTreeDepth3AUC": 0.9359793187347931,
        "DecisionStumpAUC": 0.6920810523114355,
        "MaxKurtosisOfNumericAtts": -1.2067266277278035,
        "MinMeansOfNumericAtts": 10,
        "Quartile2MutualInformation": 0.150776473035095,
        "REPTreeDepth3ErrRate": 0.06736842105263158,
        "DecisionStumpErrRate": 0.13473684210526315,
        "MaxMeansOfNumericAtts": 10,
        "MinMutualInformation": 0.15008737919425,
        "Quartile2SkewnessOfNumericAtts": 0,
        "REPTreeDepth3Kappa": 0.67698061883713,
        "DecisionStumpKappa": 0,
        "MaxMutualInformation": 0.15146556687594,
        "MinNominalAttDistinctValues": 2,
        "PercentageOfBinaryFeatures": 25,
        "Quartile2StdDevOfNumericAtts": 5.483000195079379,
        "RandomTreeDepth1AUC": 0.8164727798053528,
        "Dimensionality": 0.008421052631578947,
        "MaxNominalAttDistinctValues": 5,
        "MinSkewnessOfNumericAtts": 0,
        "PercentageOfInstancesWithMissingValues": 0,
        "Quartile3AttributeEntropy": 2.321928094887362,
        "RandomTreeDepth1ErrRate": 0.07789473684210527,
        "EquivalentNumberOfAtts": 3.7823363661960805
    },
    "tags": [
        {
            "uploader": "38960",
            "tag": "Data Science"
        },
        {
            "uploader": "38960",
            "tag": "Machine Learning"
        },
        {
            "uploader": "1",
            "tag": "mythbusting_1"
        },
        {
            "uploader": "38960",
            "tag": "Research"
        },
        {
            "uploader": "38960",
            "tag": "Statistics"
        },
        {
            "uploader": "2",
            "tag": "study_1"
        },
        {
            "uploader": "4209",
            "tag": "study_127"
        },
        {
            "uploader": "939",
            "tag": "study_15"
        },
        {
            "uploader": "939",
            "tag": "study_20"
        },
        {
            "uploader": "1",
            "tag": "study_41"
        },
        {
            "uploader": "64",
            "tag": "study_7"
        },
        {
            "uploader": "4209",
            "tag": "study_88"
        }
    ],
    "features": [
        {
            "name": "binaryClass",
            "index": "3",
            "type": "nominal",
            "distinct": "2",
            "missing": "0",
            "target": "1",
            "distr": [
                [
                    "P",
                    "N"
                ],
                [
                    [
                        "411",
                        "0"
                    ],
                    [
                        "0",
                        "64"
                    ]
                ]
            ]
        },
        {
            "name": "Automatic",
            "index": "0",
            "type": "nominal",
            "distinct": "5",
            "missing": "0",
            "distr": [
                [
                    "CA",
                    "H",
                    "MA",
                    "N",
                    "OA"
                ],
                [
                    [
                        "71",
                        "24"
                    ],
                    [
                        "91",
                        "4"
                    ],
                    [
                        "95",
                        "0"
                    ],
                    [
                        "60",
                        "35"
                    ],
                    [
                        "94",
                        "1"
                    ]
                ]
            ]
        },
        {
            "name": "Scorer_1",
            "index": "1",
            "type": "nominal",
            "distinct": "5",
            "missing": "0",
            "distr": [
                [
                    "CA",
                    "H",
                    "MA",
                    "N",
                    "OA"
                ],
                [
                    [
                        "65",
                        "30"
                    ],
                    [
                        "93",
                        "2"
                    ],
                    [
                        "95",
                        "0"
                    ],
                    [
                        "65",
                        "30"
                    ],
                    [
                        "93",
                        "2"
                    ]
                ]
            ]
        },
        {
            "name": "Subject",
            "index": "2",
            "type": "numeric",
            "distinct": "19",
            "missing": "0",
            "min": "1",
            "max": "19",
            "mean": "10",
            "stdev": "5"
        }
    ],
    "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
}