The original data are 506 observations on 14 variables, medv being the target variable:
The dataset includes 506 observations and 14 variables, where medv is the target variable:
| Variable Name | Description |
|---|---|
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 = tract bounds river; 0 = otherwise). |
nox |
Nitric oxide concentration (in 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 $10,000. |
ptratio |
Pupil-teacher ratio by town. |
b |
$ 1000(B - 0.63)^2 $, where ( B ) is the proportion of Black population by town. |
lstat |
Percentage of lower status of the population. |
The revised dataset includes the following additional columns:
| Added Column Name | Description |
|---|---|
cmedv |
Corrected median value of owner-occupied homes (in $1,000s). |
town |
Name of the town. |
tract |
Census tract (area). |
lon |
Longitude of the census tract. |
lat |
Latitude of the census tract. |
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Harrison, D. and Rubinfeld, D.L. (1978). Hedonic prices and the demand for clean air. Journal of Environmental Economics and Management, 5, 81--102.
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Gilley, O.W., and R. Kelley Pace (1996). On the Harrison and Rubinfeld Data. Journal of Environmental Economics and Management, 31, 403--405. [Provided corrections and examined censoring.]
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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.
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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. [Added georeferencing and spatial estimation.]