pollution {SMPracticals}R Documentation

Air Pollution and Mortality

Description

Data on the relation between weather, socioeconomic, and air pollution variables and mortality rates in 60 Standard Metropolitan Statistical Areas (SMSAs) of the USA, for the years 1959-1961. Some of the variables are highly collinear.

Usage

data(pollution)

Format

A data frame with 60 observations on the following variables.

prec
Average annual precipitation in inches
jant
Average January temperature in degrees F
jult
Average July temperature in degrees F
ovr95
Percentage of 1960 SMSA population aged 65 or older
popn
Average household size
educ
Median school years completed by those over 22
hous
percentage of housing units which are sound and with all facilities
dens
Population per square mile in urbanized areas, 1960
nonw
Percentage non-white population in urbanized areas, 1960
wwdrk
Percentage employed in white collar occupations
poor
Percentage of families with income < 3000 dollars
hc
Relative hydrocarbon pollution potential
nox
Same for nitric oxides
so
Same for sulphur dioxide
humid
Annual average percentage relative humidity at 1pm
mort
Total age-adjusted mortality rate per 100,000

Source

McDonald, G. C. and Schwing, R. C. (1973) Instabilities of regression estimates relating air pollution to mortality, Technometrics, 15, 463-482.

Examples

data(pollution)
## maybe str(pollution) ; plot(pollution) ...

[Package SMPracticals version 1.3 Index]