| boston {ExamPAData} | R Documentation |
Boston
Description
Boston housing data set
Usage
boston
Format
data.frame, 506 observations of 14 variables:
- 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 centers.
- 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.