mlbench (version 2.1-7)

BostonHousing: Boston Housing Data

Description

Housing data for 506 census tracts of Boston from the 1970 census. The data frame BostonHousing contains the original data by Harrison+Rubinfeld:1978, the dataf rame BostonHousing2 the corrected version with additional spatial information (see references below).

Usage

data("BostonHousing", package = "mlbench")
data("BostonHousing2", package = "mlbench")

Format

The original data are 506 observations on 14 variables, medv being the target variable:

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	\(1000(B - 0.63)^2\) where \(B\) 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:

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

References

Gilley+Pace:1996note[Provided corrections and examined censoring.] Pace+Gilley:1997note[Added georeferencing and spatial estimation.] Blake+Merz:1998, Gilley+Pace:1996, Harrison+Rubinfeld:1978, Pace+Gilley:1997

Examples

data("BostonHousing", package = "mlbench")
summary(BostonHousing)

data("BostonHousing2", package = "mlbench")
summary(BostonHousing2)