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.
A data frame with 20 observations on the following 6 variables.
staff salaries per pupil
percent of white-collar fathers
socioeconomic status composite deviation: means for family size, family intactness, father's education, mother's education, and home items
mean teacher's verbal test score
mean mother's educational level, one unit is equal to two school years
verbal mean test score (y, all sixth graders)
P. J. Rousseeuw and A. M. Leroy (1987) Robust Regression and Outlier Detection Wiley, p.79, table 2.
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))