Ring {clues} | R Documentation |
The broken-ring data set studied in Wang et al. (2007).
data(Ring)
A list 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.
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.
data(Ring) # data matrix ring <- Ring$ring # 'true' cluster membership ring.mem <- Ring$ring.mem # 'true' number of clusters nClust <- length(unique(ring.mem)) # scatter plots plotClusters(ring, ring.mem)