\HeaderA{BostonHousing}{Boston Housing Data}{BostonHousing}
\aliasA{BostonHousing2}{BostonHousing}{BostonHousing2}
\keyword{datasets}{BostonHousing}
\begin{Description}\relax
Housing data for 506 census tracts of Boston from the 1970
census. The dataframe
\code{BostonHousing} contains the original data by Harrison and
Rubinfeld (1979), the dataframe \code{BostonHousing2} the corrected
version with additional spatial information (see references below).
\end{Description}
\begin{Usage}
\begin{verbatim}
data(BostonHousing)
data(BostonHousing2)
\end{verbatim}
\end{Usage}
\begin{Format}\relax
The original data are 506 observations on 14 variables,
\code{medv} being the target variable:
\Tabular{ll}{
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 centres \\
rad & index of accessibility to radial highways \\
tax & full-value property-tax rate per USD 10,000 \\
ptratio & pupil-teacher ratio by town \\
b & \eqn{1000(B - 0.63)^2}{} where \eqn{B}{} is the proportion of blacks by town\\
lstat & percentage of lower status of the population \\
medv & median value of owner-occupied homes in USD 1000's
}
The corrected data set has the following additional columns:
\Tabular{ll}{
cmedv & corrected median value of owner-occupied homes in USD 1000's \\
town & name of town \\
tract & census tract \\
lon & longitude of census tract \\
lat & latitude of census tract \\
}
\end{Format}
\begin{Source}\relax
The original data have been taken from the UCI Repository Of Machine Learning
Databases at
\Itemize{
\item \url{http://www.ics.uci.edu/~mlearn/MLRepository.html},
}
the corrected data have been taken from Statlib at
\Itemize{
\item \url{http://lib.stat.cmu.edu/datasets/}
}
Both were converted to R format by Friedrich.Leisch@ci.tuwien.ac.at.
\end{Source}
\begin{References}\relax
Harrison, D. and Rubinfeld, D.L. (1978).
Hedonic prices and the demand for clean air.
\emph{Journal of Environmental Economics and Management}, \bold{5},
81--102.

Gilley, O.W., and R. Kelley Pace (1996). On the Harrison and Rubinfeld  
Data. \emph{Journal of Environmental Economics and Management}, \bold{31},  
403--405. [Provided corrections and examined censoring.]

Pace, R. Kelley, and O.W. Gilley (1997). Using the Spatial Configuration of  
the Data to Improve Estimation. \emph{Journal of the Real Estate Finance  
and Economics}, \bold{14}, 333--340. [Added georeferencing and spatial
estimation.]
\end{References}

