| TwoDiamonds {FCPS} | R Documentation |
TwoDiamonds introduced in [Ultsch, 2003a, 2003b]
Description
Cluster border defined by density. Detailed description of dataset and its clustering challenge is provided in [Thrun/Ultsch, 2020].
Usage
data("TwoDiamonds")Details
Size 800, Dimensions 2, stored in TwoDiamonds$Data
Classes 2, stored in TwoDiamonds$Cls
References
[Ultsch, 2003a] Ultsch, A.Optimal density estimation in data containing clusters of unknown structure, technical report, Vol. 34,University of Marburg, Department of Mathematics and Computer Science, 2003.
[Ultsch, 2003b] Ultsch, A.: U*-matrix: a tool to visualize clusters in high dimensional data, Fachbereich Mathematik und Informatik, 2003.
[Thrun/Ultsch, 2020] Thrun, M. C., & Ultsch, A.: Clustering Benchmark Datasets Exploiting the Fundamental Clustering Problems, Data in Brief, Vol. 30(C), pp. 105501, doi:10.1016/j.dib.2020.105501, 2020.
Examples
data(TwoDiamonds)
str(TwoDiamonds)