ex1217 {Sleuth2} | R Documentation |
Pollution and Mortality
Description
Complete data set for problem introduced in ex1123
.
Data from early study designed to explore the relationship between air
pollution and mortality.
Usage
ex1217
Format
A data frame with 60 observations on the following 17 variables.
City
- a character vector indicating the city
Mort
- total age-adjusted mortality from all causes
Precip
- mean annual precipitation (inches)
Humidity
- percent relative humidity (annual average at 1:00pm)
Jantemp
- mean January temperature (degrees F)
Julytemp
- mean July temperature (degrees F)
Over65
- percentage of the population aged 65 years or over
House
- population per household
Educ
- median number of school years completed for
persons 25 years or older
Sound
- percentage of the housing that is sound with all
facilities
Density
- population density (in persons per square mile
of urbanized area)
Nonwhite
- percentage of population that is nonwhite
Whitecol
- percentage of employment in white collar occupations
Poor
- percentage of households with annual income under
$3,000 in 1960
HC
- relative pollution potential of hydrocarbons
NOx
- relative pollution potential of oxides of nitrogen
SO2
- relative pollution potential of sulfur dioxide
Source
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A
Course in Methods of Data Analysis (2nd ed), Duxbury.
References
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.
See Also
ex1123
Examples
str(ex1217)
[Package
Sleuth2 version 1.0-1
Index]