A dataset containing clusters of multiple shapes

Data containing clusters of any shapes. Useful for comparing density-based clustering (DBSCAN) and standard partitioning methods such as k-means clustering.

data("multishapes")

Format

A data frame with 1100 observations on the following 3 variables.

x

a numeric vector containing the x coordinates of observations

y

a numeric vector containing the y coordinates of observations

shape

a numeric vector corresponding to the cluster number of each observations.

Details

The dataset contains 5 clusters and some outliers/noises.

Examples

# \donttest{
data(multishapes)
plot(multishapes[,1], multishapes[, 2],
    col = multishapes[, 3], pch = 19, cex = 0.8)
# }