DEVELOPMENT... { "data_id": "50", "name": "tic-tac-toe", "exact_name": "tic-tac-toe", "version": 1, "version_label": "1", "description": "**Author**: David W. Aha \r\n**Source**: [UCI](https:\/\/archive.ics.uci.edu\/ml\/datasets\/Tic-Tac-Toe+Endgame) - 1991 \r\n**Please cite**: [UCI](http:\/\/archive.ics.uci.edu\/ml\/citation_policy.html)\r\n\r\n**Tic-Tac-Toe Endgame database** \r\nThis database encodes the complete set of possible board configurations at the end of tic-tac-toe games, where \"x\" is assumed to have played first. The target concept is \"win for x\" (i.e., true when \"x\" has one of 8 possible ways to create a \"three-in-a-row\"). \r\n\r\n### Attribute Information \r\n\r\n (x=player x has taken, o=player o has taken, b=blank)\r\n 1. top-left-square: {x,o,b}\r\n 2. top-middle-square: {x,o,b}\r\n 3. top-right-square: {x,o,b}\r\n 4. middle-left-square: {x,o,b}\r\n 5. middle-middle-square: {x,o,b}\r\n 6. middle-right-square: {x,o,b}\r\n 7. bottom-left-square: {x,o,b}\r\n 8. bottom-middle-square: {x,o,b}\r\n 9. bottom-right-square: {x,o,b}\r\n 10. Class: {positive,negative}", "format": "ARFF", "uploader": "Jason ", "uploader_id": 1, "visibility": "public", "creator": "David W. Aha", "contributor": null, "date": "2014-04-06 23:22:59", "update_comment": null, "last_update": "2014-04-06 23:22:59", "licence": "Public", "status": "active", "error_message": null, "url": "https:\/\/www.openml.org\/data\/download\/50\/dataset_50_tic-tac-toe.arff", "default_target_attribute": "Class", "row_id_attribute": null, "ignore_attribute": null, "runs": 386788, "suggest": { "input": [ "tic-tac-toe", "This database encodes the complete set of possible board configurations at the end of tic-tac-toe games, where \"x\" is assumed to have played first. The target concept is \"win for x\" (i.e., true when \"x\" has one of 8 possible ways to create a \"three-in-a-row\"). ### Attribute Information (x=player x has taken, o=player o has taken, b=blank) 1. top-left-square: {x,o,b} 2. top-middle-square: {x,o,b} 3. top-right-square: {x,o,b} 4. middle-left-square: {x,o,b} 5. middle-middle-square: {x,o,b} 6. middl " ], "weight": 5 }, "qualities": { "NumberOfInstances": 958, "NumberOfFeatures": 10, "NumberOfClasses": 2, "NumberOfMissingValues": 0, "NumberOfInstancesWithMissingValues": 0, "NumberOfNumericFeatures": 0, "NumberOfSymbolicFeatures": 10, "AutoCorrelation": 0.9989550679205852, "CfsSubsetEval_DecisionStumpAUC": 0.7435139920705185, "CfsSubsetEval_DecisionStumpErrRate": 0.23903966597077245, "CfsSubsetEval_DecisionStumpKappa": 0.41922178864715764, "CfsSubsetEval_NaiveBayesAUC": 0.7435139920705185, "CfsSubsetEval_NaiveBayesErrRate": 0.23903966597077245, "CfsSubsetEval_NaiveBayesKappa": 0.41922178864715764, "CfsSubsetEval_kNN1NAUC": 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