On this Picostat.com statistics page, you will find information about the xclara data set which pertains to Bivariate Data Set with 3 Clusters. The xclara data set is found in the cluster R package. You can load the xclara data set in R by issuing the following command at the console data("xclara"). This will load the data into a variable called xclara. If R says the xclara data set is not found, you can try installing the package by issuing this command install.packages("cluster") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the xclara R data set. The size of this file is about 54,501 bytes.
Bivariate Data Set with 3 Clusters
An artificial data set consisting of 3000 points in 3 well-separated
clusters of size 1000 each.
A data frame with 3000 observations on 2 numeric variables giving the
x and y coordinates of the points, respectively.
Sample data set accompanying the reference below.
Anja Struyf, Mia Hubert & Peter J. Rousseeuw (1996)
Clustering in an Object-Oriented Environment.
Journal of Statistical Software 1.
Dataset imported from https://www.r-project.org.