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A subset of the original Boston dataset in MASS package

Boston2.Rd

We remove observations with crime rate over 3.2 as suggested in previous studies to obtain the remaining 374 observations.

Usage

data(Boston2)

Format

A data frame with 374 rows and 14 variables. It is a subset of the original Boston dataset in the MASS package. This one contains the sample with crime rate lower than 3.2. It 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.

References

Li, K.-C. (1991). Sliced inverse regression for dimension reduction. Journal of the American Statistical Association, 86(414):316–327.

Chen, X., Zou, C., and Cook, R. D. (2010). Coordinate-independent sparse sufficient dimension reduction and variable selection. The Annals of Statistics, 38(6):3696–3723.

Qin, Y., Li, S., Li, Y., and Yu, Y. (2017). Penalized Maximum Tangent Likelihood Estimation and Robust Variable Selection. arXiv:1708.05439 [stat]. arXiv: 1708.05439.

Harrison, D. and Rubinfeld, D.L. (1978) Hedonic prices and the demand for clean air. J. Environ. Economics and Management 5, 81–102.

Belsley D.A., Kuh, E. and Welsch, R.E. (1980) Regression Diagnostics. Identifying Influential Data and Sources of Collinearity. New York: Wiley.

Examples

head(Boston2)
#>      crim zn indus chas   nox    rm  age    dis rad tax ptratio  black lstat
#> 1 0.00632 18  2.31    0 0.538 6.575 65.2 4.0900   1 296    15.3 396.90  4.98
#> 2 0.02731  0  7.07    0 0.469 6.421 78.9 4.9671   2 242    17.8 396.90  9.14
#> 3 0.02729  0  7.07    0 0.469 7.185 61.1 4.9671   2 242    17.8 392.83  4.03
#> 4 0.03237  0  2.18    0 0.458 6.998 45.8 6.0622   3 222    18.7 394.63  2.94
#> 5 0.06905  0  2.18    0 0.458 7.147 54.2 6.0622   3 222    18.7 396.90  5.33
#> 6 0.02985  0  2.18    0 0.458 6.430 58.7 6.0622   3 222    18.7 394.12  5.21
#>   medv
#> 1 24.0
#> 2 21.6
#> 3 34.7
#> 4 33.4
#> 5 36.2
#> 6 28.7