{ "data_id": "44959", "name": "concrete_compressive_strength", "exact_name": "concrete_compressive_strength", "version": 7, "version_label": null, "description": "**Data Description**\n\nConcrete is the most important material in civil engineering. The concrete compressive strength is a highly nonlinear function of age and ingredients. Each instance represents a description, different features of concrete instance, including its compressive strength. The latter can be predicted using the other features about the concrete.\n\n**Attribute Description**\n\n1. *cement* - amount in kg in a m3 mixture\n2. *blast_furnace_slag* - amount in kg in a m3 mixture\n3. *fly_ash* - amount in kg in a m3 mixture\n4. *water* - amount in kg in a m3 mixture\n5. *superplasticizer* - amount in kg in a m3 mixture\n6. *coarse_aggregate* - amount in kg in a m3 mixture\n7. *fine_aggregate* - amount in kg in a m3 mixture\n8. *age* - age in days (1 - 365)\n9. *strength* - in MPa, target feature", "format": "arff", "uploader": "Sebastian Fischer", "uploader_id": 30127, "visibility": "public", "creator": null, "contributor": null, "date": "2022-12-22 16:11:09", "update_comment": null, "last_update": "2022-12-22 16:11:09", "licence": "CC BY 4.0", "status": "active", "error_message": null, "url": "https:\/\/api.openml.org\/data\/download\/22111823\/file22f16546691e0.arff", "default_target_attribute": "strength", "row_id_attribute": null, "ignore_attribute": null, "runs": 0, "suggest": { "input": [ "concrete_compressive_strength", "Concrete is the most important material in civil engineering. The concrete compressive strength is a highly nonlinear function of age and ingredients. Each instance represents a description, different features of concrete instance, including its compressive strength. The latter can be predicted using the other features about the concrete. 1. *cement* - amount in kg in a m3 mixture 2. *blast_furnace_slag* - amount in kg in a m3 mixture 3. *fly_ash* - amount in kg in a m3 mixture 4. *water* - amou " ], "weight": 5 }, "qualities": { "NumberOfInstances": 1030, "NumberOfFeatures": 9, "NumberOfClasses": 0, "NumberOfMissingValues": 0, "NumberOfInstancesWithMissingValues": 0, "NumberOfNumericFeatures": 9, "NumberOfSymbolicFeatures": 0, "MajorityClassSize": null, "MinorityClassPercentage": null, "MinorityClassSize": null, "NumberOfBinaryFeatures": 0, "PercentageOfBinaryFeatures": 0, "PercentageOfInstancesWithMissingValues": 0, "AutoCorrelation": -10.80136239833192, "PercentageOfMissingValues": 0, "Dimensionality": 0.008737864077669903, "PercentageOfNumericFeatures": 100, "MajorityClassPercentage": null, "PercentageOfSymbolicFeatures": 0 }, "tags": [ { "tag": "Images", "uploader": "38960" }, { "tag": "Machine Learning", "uploader": "38960" }, { "tag": "study_353", "uploader": "0" } ], "features": [ { "name": "strength", "index": "8", "type": "numeric", "distinct": "938", "missing": "0", "target": "1", "min": "2", "max": "83", "mean": "36", "stdev": "17" }, { "name": "cement", "index": "0", "type": "numeric", "distinct": "280", "missing": "0", "min": "102", "max": "540", "mean": "281", "stdev": "105" }, { "name": "blast_furnace_slag", "index": "1", "type": "numeric", "distinct": "187", "missing": "0", "min": "0", "max": "359", "mean": "74", "stdev": "86" }, { "name": "fly_ash", "index": "2", "type": "numeric", "distinct": "163", "missing": "0", "min": "0", "max": "200", "mean": "54", "stdev": "64" }, { "name": "water", "index": "3", "type": "numeric", "distinct": "205", "missing": "0", "min": "122", "max": "247", "mean": "182", "stdev": "21" }, { "name": "superplasticizer", "index": "4", "type": "numeric", "distinct": "155", "missing": "0", "min": "0", "max": "32", "mean": "6", "stdev": "6" }, { "name": "coarse_aggregate", "index": "5", "type": "numeric", "distinct": "284", "missing": "0", "min": "801", "max": "1145", "mean": "973", "stdev": "78" }, { "name": "fine_aggregate", "index": "6", "type": "numeric", "distinct": "304", "missing": "0", "min": "594", "max": "993", "mean": "774", "stdev": "80" }, { "name": "age", "index": "7", "type": "numeric", "distinct": "14", "missing": "0", "min": "1", "max": "365", "mean": "46", "stdev": "63" } ], "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 }