robustbase: coleman – R documentation

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coleman

Coleman Data Set

Description

Contains information on 20 Schools from the Mid-Atlantic and New England States, drawn from a population studied by Coleman et al. (1966). Mosteller and Tukey (1977) analyze this sample consisting of measurements on six different variables, one of which will be treated as a responce.

Usage

data(coleman, package="robustbase")

Format

A data frame with 20 observations on the following 6 variables.

salaryP: staff salaries per pupil
fatherWc: percent of white-collar fathers
sstatus: socioeconomic status composite deviation: means for family size, family intactness, father's education, mother's education, and home items
teacherSc: mean teacher's verbal test score
motherLev: mean mother's educational level, one unit is equal to two school years
Y: verbal mean test score (y, all sixth graders)

Author(s)

Valentin Todorov

Source

P. J. Rousseeuw and A. M. Leroy (1987) Robust Regression and Outlier Detection Wiley, p.79, table 2.

Examples

data(coleman)
pairs(coleman)
summary( lm.coleman <-     lm(Y ~ . , data = coleman))
summary(lts.coleman <- ltsReg(Y ~ . , data = coleman))

coleman.x <- data.matrix(coleman[, 1:6])
(Cc <- covMcd(coleman.x))

robustbase

Basic Robust Statistics

v0.93-7

GPL (>= 2)

Authors

Martin Maechler [aut, cre] (<https://orcid.org/0000-0002-8685-9910>), Peter Rousseeuw [ctb] (Qn and Sn), Christophe Croux [ctb] (Qn and Sn), Valentin Todorov [aut] (most robust Cov), Andreas Ruckstuhl [aut] (nlrob, anova, glmrob), Matias Salibian-Barrera [aut] (lmrob orig.), Tobias Verbeke [ctb, fnd] (mc, adjbox), Manuel Koller [aut] (mc, lmrob, psi-func.), Eduardo L. T. Conceicao [aut] (MM-, tau-, CM-, and MTL- nlrob), Maria Anna di Palma [ctb] (initial version of Comedian)

Initial release

2021-01-04