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
| nitrogen 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 mean of distances to five Boston employment centres |
rad
| index of accessibility to radial highways |
tax
| full-value property-tax rate per $10,000 |
ptratio
| pupil-teacher ratio by town |
black
| 1000(Bk - 0.63)^2 where Bk is the proportion of blacks by town |
lstat
| lower status of the population (percent) |
medv
| median value of owner-occupied homes in $1000 |
Boston
data frame has 506 rows and 14 columns.Belsley D.A., Kuh, E. and Welsch, R.E. (1980) Regression Diagnostics. Identifying Influential Data and Sources of Collinearity. New York: Wiley.