clues (version 0.3.2)

Ring: The Broken-Ring Data Set

Description

The broken-ring data set.

Usage

data(Ring)

Value

• An object contains a 800 by 2 data matrix and a 800 by 1 cluster membership vector. There are 5 clusters containing 200, 157, 151, 151 and 141 data points, respectively, in a two-dimensional space.

References

Wang, S., Qiu, W., and Zamar, R. H. (2007). CLUES: A non-parametric clustering method based on local shrinking. Computational Statistics & Data Analysis, Vol. 52, issue 1, pages 286-298.

Examples

data(Ring)

  # data matrix
  ring <- Ring$ring

  # cluster membership
  ring.mem <- Ring$ring.mem