The Ruspini data set, consisting of 75 points in four groups that is
popular for illustrating clustering techniques.
Usage
data(ruspini)
Format
A data frame with 75 observations on 2 variables giving the x and y
coordinates of the points, respectively.
Source
E. H. Ruspini (1970)
Numerical methods for fuzzy clustering.
Inform. Sci.2, 319–350.
References
see those in agnes.
Examples
data(ruspini)
## Plot similar to Figure 4 in Stryuf et al (1996)
## Not run: plot(pam(ruspini, 4), ask = TRUE)
## Plot similar to Figure 6 in Stryuf et al (1996)
plot(fanny(ruspini, 5))