数据挖掘_Air Pollution and Mortality(空气污染和死亡率数据).pdf

Air Pollution and Mortality(空气污染和死亡率数据) 数据摘要： This is the pollution data so loved by writers of papers on ridge regression. 中文关键词： 空气污染,死亡率,回归估计,关系, 英文关键词： air pollution,mortality,regression estimate,realtion, 数据格式： TEXT 数据用途： It can be used for factor analysis 数据详细介绍： Air Pollution and Mortality Abstract: This is the pollution data so loved by writers of papers on ridge regression. Source: McDonald, G.C. and Schwing, R.C. (1973) Instabilities of regression estimates relating air pollution to mortality, Technometrics, vol.15, 463-482. Variables in order: PREC Average annual precipitation in inches JANT Average January temperature in degrees F JULT Same for July OVR65 % of 1960 SMSA population aged 65 or older POPN Average household size EDUC Median school years completed by those over 22 HOUS % of housing units which are sound with all facilities DENS Population per sq. mile in urbanized areas, 1960 NONW % non-white population in urbanized areas, 1960 WWDRK % employed in white collar occupations POOR % of families with income $3000 HC Relative hydrocarbon pollution potential NOX Same for nitric oxides SO@ Same for sulphur dioxide HUMID Annual average % relative humidity at 1pm MORT Total age-adjusted mortality rate per 100,000 数据预览： 点此下载完整数据集