boston | R Documentation |
Data on median housing values from 506 census tracts in the suburbs of Boston
from the 1970 census. This data frame is a corrected version of the original
data by Harrison and Rubinfeld (1978) with additional spatial information.
The data were taken directly from BostonHousing2
and
unneeded columns (i.e., name of town, census tract, and the uncorrected
median home value) were removed.
data(boston)
A data frame with 506 rows and 16 variables.
lon
Longitude of census tract.
lat
Latitude of census tract.
cmedv
Corrected median value of owner-occupied homes in USD 1000's
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
Nitric 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 distances to five Boston employment centers.
rad
Index of accessibility to radial highways.
tax
Full-value property-tax rate per USD 10,000.
ptratio
Pupil-teacher ratio by town.
b
$1000(B - 0.63)^2$ where B is the proportion of blacks by town.
lstat
Percentage of lower status of the population.
Harrison, D. and Rubinfeld, D.L. (1978). Hedonic prices and the demand for clean air. Journal of Environmental Economics and Management, 5, 81-102.
Gilley, O.W., and R. Kelley Pace (1996). On the Harrison and Rubinfeld Data. Journal of Environmental Economics and Management, 31, 403-405.
Newman, D.J. & Hettich, S. & Blake, C.L. & Merz, C.J. (1998). UCI Repository of machine learning databases [http://www.ics.uci.edu/~mlearn/MLRepository.html] Irvine, CA: University of California, Department of Information and Computer Science.
Pace, R. Kelley, and O.W. Gilley (1997). Using the Spatial Configuration of the Data to Improve Estimation. Journal of the Real Estate Finance and Economics, 14, 333-340.
Friedrich Leisch & Evgenia Dimitriadou (2010). mlbench: Machine Learning Benchmark Problems. R package version 2.1-1.
head(boston)
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