Boston {MASS} | R Documentation |
The Boston
data frame has 506 rows and 14 columns.
Boston
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.
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.