# Boston

From MASS v7.3-47
by Brian Ripley

The `Boston`

data frame has 506 rows and 14 columns.

- Keywords
- datasets

##### Usage

`Boston`

##### Format

This data frame contains the following columns:

`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 \$1000s.

*Documentation reproduced from package MASS, version 7.3-47, License: GPL-2 | GPL-3*

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