Description Usage Format Source References See Also Examples
Complete data set for problem introduced in ex1123
.
Data from early study designed to explore the relationship between air
pollution and mortality.
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A data frame with 60 observations on the following 17 variables.
a character vector indicating the city
total age-adjusted mortality from all causes
mean annual precipitation (inches)
percent relative humidity (annual average at 1:00pm)
mean January temperature (degrees F)
mean July temperature (degrees F)
percentage of the population aged 65 years or over
population per household
median number of school years completed for persons 25 years or older
percentage of the housing that is sound with all facilities
population density (in persons per square mile of urbanized area)
percentage of population that is nonwhite
percentage of employment in white collar occupations
percentage of households with annual income under $3,000 in 1960
relative pollution potential of hydrocarbons
relative pollution potential of oxides of nitrogen
relative pollution potential of sulfur dioxide
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
McDonald, G.C. and Ayers, J.A. (1978). Some Applications of the “Chernoff Faces”: A Technique for Graphically Representing Multivariate Data in Wang, P.C.C. (ed.) Graphical Representation of Multivariate Data, Academic Press.
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'data.frame': 60 obs. of 17 variables:
$ CITY : Factor w/ 60 levels "Akron, OH","Albany, NY",..: 49 56 47 28 34 16 32 29 22 18 ...
$ Mortality: num 791 824 840 844 858 ...
$ Precip : int 13 28 10 43 25 35 60 11 31 15 ...
$ Humidity : int 71 54 61 54 58 54 60 47 61 38 ...
$ JanTemp : int 49 32 55 32 12 46 67 53 24 30 ...
$ JulyTemp : int 68 81 70 74 73 85 82 68 72 73 ...
$ Over65 : num 7 7 7.3 10.1 9.2 7.1 10 9.2 9 8.2 ...
$ House : num 3.36 3.27 3.11 3.38 3.28 3.22 2.98 2.99 3.37 3.15 ...
$ Educ : num 12.2 12.1 12.1 9.5 12.1 11.8 11.5 12.1 10.9 12.2 ...
$ Sound : num 90.7 81 88.9 79.2 83.1 79.9 88.6 90.6 82.8 84.2 ...
$ Density : int 2702 3665 3033 3214 2095 1441 4657 4700 3226 4824 ...
$ NonWhite : num 3 7.5 5.9 2.9 2 14.8 13.5 7.8 5.1 4.7 ...
$ WhiteCol : num 51.9 51.6 51 43.7 51.9 51.2 47.3 48.9 45.2 53.1 ...
$ Poor : num 9.7 13.2 14 12 9.8 16.1 22.4 12.3 12.3 12.7 ...
$ HC : int 105 4 144 11 20 1 3 648 5 17 ...
$ NOX : int 32 2 66 7 11 1 1 319 3 8 ...
$ SO2 : int 3 1 20 32 26 1 1 130 10 28 ...
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