{ "data_id": "44968", "name": "synchronous_machine", "exact_name": "synchronous_machine", "version": 7, "version_label": null, "description": "**Data Description**\n\nSynchronous motors (SMs) are AC motors with constant speed.\n\nSynchronous machine data were obtained in real time from the experimental operating environment.\n\nThe task is to estimate the excitation current of SM.\n\n**Attribute Description**\n\nFirst four features are Synchronous motor parameters.\n\n1. *load_current*\n2. *power_factor*\n3. *power_factor_error*\n4. *changing_of_excitation*\n5. *excitation_current* - target feature", "format": "arff", "uploader": "Sebastian Fischer", "uploader_id": 30127, "visibility": "public", "creator": null, "contributor": null, "date": "2022-12-22 16:12:57", "update_comment": null, "last_update": "2022-12-22 16:12:57", "licence": "CC BY 4.0", "status": "active", "error_message": null, "url": "https:\/\/api.openml.org\/data\/download\/22111832\/file22f1675ea59c0.arff", "kaggle_url": null, "default_target_attribute": "excitation_current", "row_id_attribute": null, "ignore_attribute": null, "runs": 0, "suggest": { "input": [ "synchronous_machine", "Synchronous motors (SMs) are AC motors with constant speed. Synchronous machine data were obtained in real time from the experimental operating environment. The task is to estimate the excitation current of SM. First four features are Synchronous motor parameters. 1. *load_current* 2. *power_factor* 3. *power_factor_error* 4. *changing_of_excitation* 5. *excitation_current* - target feature " ], "weight": 5 }, "qualities": { "NumberOfInstances": 557, "NumberOfFeatures": 5, "NumberOfClasses": 0, "NumberOfMissingValues": 0, "NumberOfInstancesWithMissingValues": 0, "NumberOfNumericFeatures": 5, "NumberOfSymbolicFeatures": 0, "PercentageOfBinaryFeatures": 0, "PercentageOfInstancesWithMissingValues": 0, "PercentageOfMissingValues": 0, "AutoCorrelation": 0.9486528776978418, "PercentageOfNumericFeatures": 100, "Dimensionality": 0.008976660682226212, "PercentageOfSymbolicFeatures": 0, "MajorityClassPercentage": null, "MajorityClassSize": null, "MinorityClassPercentage": null, "MinorityClassSize": null, "NumberOfBinaryFeatures": 0 }, "tags": [], "features": [ { "name": "excitation_current", "index": "4", "type": "numeric", "distinct": "306", "missing": "0", "target": "1", "min": "1", "max": "2", "mean": "2", "stdev": "0" }, { "name": "load_current", "index": "0", "type": "numeric", "distinct": "31", "missing": "0", "min": "3", "max": "6", "mean": "4", "stdev": "1" }, { "name": "power_factor", "index": "1", "type": "numeric", "distinct": "36", "missing": "0", "min": "1", "max": "1", "mean": "1", "stdev": "0" }, { "name": "power_factor_error", "index": "2", "type": "numeric", "distinct": "36", "missing": "0", "min": "0", "max": "0", "mean": "0", "stdev": "0" }, { "name": "changing_of_excitation", "index": "3", "type": "numeric", "distinct": "306", "missing": "0", "min": "0", "max": "1", "mean": "0", "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 }