hawkins {dprep} | R Documentation |
An artificial dataset generated by Hawkins, Bradu, and Kass used for illustrating some of the merits of robust techniques.
data(hawkins)
A data frame consisting of 75 observations on the following 4 variables.
The data appears on p. 94 of Rousseeuw, P, and Leroy, A. (1987). Robust Regression and outlier detection. John Wiley & Sons. New York.
Hawkins, D.M, Bradu, D., Kass, G.V.(1984). Location of several outliers in multiple regression data using elemental sets. Technometrics, 26. 197-208.
#---- Finding outliers using the LOF algorithm---- data(hawkins) haw.lof=maxlof(hawkins[,1:3],"Hawkins") haw.lof[order(haw.lof,decreasing=TRUE)]