Description Usage Format Details Source Examples
Housing Values in Suburbs of Boston
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A data frame with 506 rows and 14 variables:
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
proportion of blacks by town.
lstat
lower status of the population (percent).
medv
median value of owner-occupied homes in $1000s.
The Boston
data frame was obtained from Venables and Ripley's MASS
package.
The data utilize census tracts in the Boston Standard Metropolitatn
Statistical Area in 1970. Two changes have been made from this original
dataset. The dollar values for tax
and
medv
have been converted to 2020 US dollars (assuming a 299.4%
cumulative inflation rate). Additionally, the black
variable has
been transformed from its original metric
(1000*(proportion of blacks by town - 0.63)^2) to a simple the proportion
of blacks by town.
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.
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