plot_cumulative: Function to plot the empirical cumulative distribution...
In mosclust: Model Order Selection for Clustering

plot_cumulative

R Documentation

Function to plot the empirical cumulative distribution function of the similarity values

Description

The function plot_cumulative plots the ecdf of the similarity values between pairs of clusterings for a specific number of clusters. The function plot_cumulative.multiple plots the graphs of the empirical cumulative distributions corresponding to different number of clusters, using different patterns and/or different colors for each graph. Up to 15 ecdf graphs can be plotted simultaneously.

Usage

plot_cumulative(Fun)

plot_cumulative.multiple(list.F, labels = NULL, min.x = -1, colors = TRUE)

Arguments

`Fun`	Function of class ecdf that stores the discrete values of the cumulative distribution
`list.F`	a list of function of class ecdf
`labels`	vector of the labels associated to the CDF. If NULL (default), then a vector of labels from 2 to lenght(list.F)+1 is used.
`min.x`	minimum value to be plotted for similarities. If -1 (default) the minimum of the similarity value is obtained from list.F
`colors`	if TRUE (default) different colors are used to plot the different ECDF, otherwise black lines are used

Value

No return value, the function is called for its side-effect of drawing a plot on the current graphics device.

Author(s)

Giorgio Valentini valentini@di.unimi.it

Examples

library("clusterv")
# Data set generation
M <- generate.sample6 (n=20, m=10, dim=1000, d=3, s=0.2);
# generation of multiple similarity measures by resampling
Sr.kmeans.sample6 <- do.similarity.resampling(M, c=10, nsub=20, f=0.8, s=sFM, 
                                      alg.clust.sim=Kmeans.sim.resampling); 
# computation of multiple ecdf (from 2 to 10 clusters)
list.F <- compute.cumulative.multiple(Sr.kmeans.sample6);
# values of the ecdf for 8 clusters 
l <- cumulative.values(list.F[[7]])
# plot of the ecdf for 8 clusters
plot_cumulative(list.F[[7]])
# plot of the empirical cumulative distributions from 2 to 10 clusters
plot_cumulative.multiple(list.F)

mosclust documentation built on June 8, 2025, 11:23 a.m.