DEVELOPMENT... { "data_id": "542", "name": "pollution", "exact_name": "pollution", "version": 1, "version_label": null, "description": "**Author**: \n**Source**: Unknown - Date unknown \n**Please cite**: \n\nThis is the pollution data so loved by writers of papers on ridge regression.\nSource: McDonald, G.C. and Schwing, R.C. (1973) 'Instabilities of regression\nestimates relating air pollution to mortality', Technometrics, vol.15, 463-\nVariables in order:\nPREC Average annual precipitation in inches\nJANT Average January temperature in degrees F\nJULT Same for July\nOVR65 % of 1960 SMSA population aged 65 or older\nPOPN Average household size\nEDUC Median school years completed by those over 22\nHOUS % of housing units which are sound & with all facilities\nDENS Population per sq. mile in urbanized areas, 1960\nNONW % non-white population in urbanized areas, 1960\nWWDRK % employed in white collar occupations\nPOOR % of families with income < $3000\nHC Relative hydrocarbon pollution potential\nNOX Same for nitric oxides\nSO@ Same for sulphur dioxide\nHUMID Annual average % relative humidity at 1pm\nMORT Total age-adjusted mortality rate per 100,000\n\n\nInformation about the dataset\nCLASSTYPE: numeric\nCLASSINDEX: none specific", "format": "ARFF", "uploader": "unknown", "uploader_id": 2, "visibility": "public", "creator": "McDonald, G.C. and Schwing, R.C.", "contributor": null, "date": "2014-09-29 00:09:07", "update_comment": "set target feature", "last_update": "2014-10-07 01:33:33", "licence": "Public", "status": "active", "error_message": null, "url": "https:\/\/www.openml.org\/data\/download\/52654\/pollution.arff", "default_target_attribute": "MORT", "row_id_attribute": null, "ignore_attribute": null, "runs": 0, "suggest": { "input": [ "pollution", "This is the pollution data so loved by writers of papers on ridge regression. Source: McDonald, G.C. and Schwing, R.C. 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