R

ggplot2 provides a very elegant way to describe graphics. In this example, we will use its grammar to show how the parallel plot and the radar plots are related.

A ggplot2 tour of good and bad visualization examples

ggwordcloud provides a word cloud text geom for ggplot2. The placement algorithm implemented in C++ is an hybrid between the one of wordcloud and the one of wordcloud2.js. The cloud can grow according to a shape and stay within a mask.

The twoClass dataset Statistical point of view Generative Modeling Logistic regression Kernel Methods Optimization point of view SVM NN Trees Model comparison Global comparison K-NN Comparison We will use the twoClass dataset from Applied Predictive Modeling, the book of M.

This is an attempt to build automatically a mathematical genealogy using the data from http://genealogy.math.ndsu.nodak.edu/. This is used as an example to show how easy it is to scrap data from the web and to graph beautiful trees with R.