Format
This data frame contains the following columns:
crim-
per capita crime rate by town.
zn-
proportion of residential land zoned for lots over 25,000 sq.ft.
indus-
proportion of non-retail business acres per town.
chas-
Charles River dummy variable (= 1 if tract bounds river; 0 otherwise).
nox-
nitrogen oxides concentration (parts per 10 million).
rm-
average number of rooms per dwelling.
age-
proportion of owner-occupied units built prior to 1940.
dis-
weighted mean of distances to five Boston employment centres.
rad-
index of accessibility to radial highways.
tax-
full-value property-tax rate per \$10,000.
ptratio-
pupil-teacher ratio by town.
black-
$1000(Bk - 0.63)^2$ where $Bk$ is the proportion of blacks
by town.
lstat-
lower status of the population (percent).
medv-
median value of owner-occupied homes in \$1000s.
Source
Harrison, D. and Rubinfeld, D.L. (1978)
Hedonic prices and the demand for clean air.
J. Environ. Economics and Management
5, 81--102. Belsley D.A., Kuh, E. and Welsch, R.E. (1980)
Regression Diagnostics. Identifying Influential Data and Sources
of Collinearity.
New York: Wiley.