{ "data_id": "464", "name": "prnn_synth", "exact_name": "prnn_synth", "version": 1, "version_label": null, "description": "**Author**: B.D. Ripley \n**Source**: Unknown - Date unknown \n**Please cite**: \n\nDataset from `Pattern Recognition and Neural Networks' by B.D. Ripley. Cambridge University Press (1996) ISBN 0-521-46086-7. The background to the datasets is described in section 1.4; this file relates the computer-readable files to that description.\n\n**synthetic two-class problem**\nData from Ripley (1994a).\n\nThis has two real-valued co-ordinates (xs and ys) and a class (xc)\nwhich is 0 or 1.", "format": "ARFF", "uploader": "Joaquin Vanschoren", "uploader_id": 2, "visibility": "public", "creator": "B.D. Ripley ", "contributor": null, "date": "2014-09-28 23:51:16", "update_comment": null, "last_update": "2014-09-28 23:51:16", "licence": "Public", "status": "active", "error_message": null, "url": "https:\/\/www.openml.org\/data\/download\/52576\/prnn_synth.arff", "default_target_attribute": "yc", "row_id_attribute": null, "ignore_attribute": null, "runs": 1105, "suggest": { "input": [ "prnn_synth", "Dataset from `Pattern Recognition and Neural Networks' by B.D. Ripley. Cambridge University Press (1996) ISBN 0-521-46086-7. The background to the datasets is described in section 1.4; this file relates the computer-readable files to that description. Data from Ripley (1994a). This has two real-valued co-ordinates (xs and ys) and a class (xc) which is 0 or 1. " ], "weight": 5 }, "qualities": { "NumberOfInstances": 250, "NumberOfFeatures": 3, "NumberOfClasses": 2, "NumberOfMissingValues": 0, "NumberOfInstancesWithMissingValues": 0, "NumberOfNumericFeatures": 2, "NumberOfSymbolicFeatures": 1, "MeanSkewnessOfNumericAtts": -0.14865085036757053, "Quartile1StdDevOfNumericAtts": 0.25482272818277407, "REPTreeDepth2AUC": 0.826144, "CfsSubsetEval_kNN1NErrRate": 0.176, "kNN1NAUC": 0.868, "J48.001.Kappa": 0.6479999999999999, "MeanStdDevOfNumericAtts": 0.37215931773344313, "Quartile2AttributeEntropy": null, "REPTreeDepth2ErrRate": 0.164, "CfsSubsetEval_kNN1NKappa": 0.6479999999999999, "kNN1NErrRate": 0.132, "MajorityClassPercentage": 50, "MinAttributeEntropy": null, "Quartile2KurtosisOfNumericAtts": -0.8789167415114068, "REPTreeDepth2Kappa": 0.6719999999999999, "ClassEntropy": 1, "kNN1NKappa": 0.736, "MajorityClassSize": 125, "MinKurtosisOfNumericAtts": -1.1899337082408463, "Quartile2MeansOfNumericAtts": 0.21580198266, "REPTreeDepth3AUC": 0.826144, "DecisionStumpAUC": 0.836768, "MaxAttributeEntropy": null, "MinMeansOfNumericAtts": -0.07275796160000003, "Quartile2MutualInformation": null, "REPTreeDepth3ErrRate": 0.164, "DecisionStumpErrRate": 0.184, "MaxKurtosisOfNumericAtts": -0.5678997747819672, "MinMutualInformation": null, "Quartile2SkewnessOfNumericAtts": -0.14865085036757053, "REPTreeDepth3Kappa": 0.6719999999999999, "DecisionStumpKappa": 0.6319999999999999, "MaxMeansOfNumericAtts": 0.50436192692, "MinNominalAttDistinctValues": 2, "PercentageOfBinaryFeatures": 33.33333333333333, "Quartile2StdDevOfNumericAtts": 0.37215931773344313, "RandomTreeDepth1AUC": 0.824, "Dimensionality": 0.012, "MaxMutualInformation": null, "MinSkewnessOfNumericAtts": -0.20917652663202185, "PercentageOfInstancesWithMissingValues": 0, "Quartile3AttributeEntropy": null, "RandomTreeDepth1ErrRate": 0.176, "EquivalentNumberOfAtts": null, "MaxNominalAttDistinctValues": 2, "MinStdDevOfNumericAtts": 0.25482272818277407, "PercentageOfMissingValues": 0, "Quartile3KurtosisOfNumericAtts": -0.5678997747819672, "AutoCorrelation": 0.9959839357429718, "RandomTreeDepth1Kappa": 0.6479999999999999, "J48.00001.AUC": 0.830336, "MaxSkewnessOfNumericAtts": -0.08812517410311924, "MinorityClassPercentage": 50, "PercentageOfNumericFeatures": 66.66666666666666, "Quartile3MeansOfNumericAtts": 0.50436192692, "CfsSubsetEval_DecisionStumpAUC": 0.830336, "RandomTreeDepth2AUC": 0.824, "J48.00001.ErrRate": 0.176, "MaxStdDevOfNumericAtts": 0.4894959072841122, "MinorityClassSize": 125, "PercentageOfSymbolicFeatures": 33.33333333333333, "Quartile3MutualInformation": null, "CfsSubsetEval_DecisionStumpErrRate": 0.176, "RandomTreeDepth2ErrRate": 0.176, "J48.00001.Kappa": 0.6479999999999999, "MeanAttributeEntropy": null, "NaiveBayesAUC": 0.933504, "Quartile1AttributeEntropy": null, "Quartile3SkewnessOfNumericAtts": -0.08812517410311924, "CfsSubsetEval_DecisionStumpKappa": 0.6479999999999999, "RandomTreeDepth2Kappa": 0.6479999999999999, "J48.0001.AUC": 0.830336, "MeanKurtosisOfNumericAtts": -0.8789167415114068, "NaiveBayesErrRate": 0.16, "Quartile1KurtosisOfNumericAtts": -1.1899337082408463, "Quartile3StdDevOfNumericAtts": 0.4894959072841122, "CfsSubsetEval_NaiveBayesAUC": 0.830336, "RandomTreeDepth3AUC": 0.824, "J48.0001.ErrRate": 0.176, "MeanMeansOfNumericAtts": 0.21580198266, "MeanMutualInformation": null, "NaiveBayesKappa": 0.6799999999999999, "Quartile1MeansOfNumericAtts": -0.07275796160000003, "REPTreeDepth1AUC": 0.826144, "CfsSubsetEval_NaiveBayesErrRate": 0.176, "RandomTreeDepth3ErrRate": 0.176, "J48.0001.Kappa": 0.6479999999999999, "MeanNoiseToSignalRatio": null, "NumberOfBinaryFeatures": 1, "Quartile1MutualInformation": null, "REPTreeDepth1ErrRate": 0.164, "CfsSubsetEval_NaiveBayesKappa": 0.6479999999999999, "RandomTreeDepth3Kappa": 0.6479999999999999, "J48.001.AUC": 0.830336, "MeanNominalAttDistinctValues": 2, "Quartile1SkewnessOfNumericAtts": -0.20917652663202185, "REPTreeDepth1Kappa": 0.6719999999999999, "CfsSubsetEval_kNN1NAUC": 0.830336, "StdvNominalAttDistinctValues": 0, "J48.001.ErrRate": 0.176 }, "tags": [ { "tag": "mythbusting_1", "uploader": "1" }, { "tag": "study_1", "uploader": "2" }, { "tag": "study_123", "uploader": "3886" }, { "tag": "study_15", "uploader": "939" }, { "tag": "study_20", "uploader": "939" }, { "tag": "study_41", "uploader": "1" }, { "tag": "study_52", "uploader": "64" }, { "tag": "study_7", "uploader": "64" }, { "tag": "study_88", "uploader": "4209" } ], "features": [ { "name": "yc", "index": "2", "type": "nominal", "distinct": "2", "missing": "0", "target": "1", "distr": [ [ "0", "1" ], [ [ "125", "0" ], [ "0", "125" ] ] ] }, { "name": "xs", "index": "0", "type": "numeric", "distinct": "250", "missing": "0", "min": "-1", "max": "1", "mean": "0", "stdev": "0" }, { "name": "ys", "index": "1", "type": "numeric", "distinct": "250", "missing": "0", "min": "0", "max": "1", "mean": "1", "stdev": "0" } ], "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 }