sixtyeighty.dat {Rfwdmv} | R Documentation |
An example with two clusters. The first 80 units form a rather diffuse group, while the remaining 60 units form a tight cluster.
data(sixtyeighty.dat)
A data frame with 140 observations on the following 2 variables.
When we fit a single model to these data, neither standard classical methods nor very robust methods yield Mahalanobis distances which unambiguously show that there are two different groups of observations.
Atkinson, Riani and Cerioli (2004), p. 586-587; http://www.riani.it/arc.
data(sixtyeighty.dat)