A data frame with three 506 rows observations on 14 variables.
medv
is the target variable. The variables are as follows:
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