Machine Learning with R Cookbook - Second Edition

How it works...

Besides presenting association rules as text, one can use arulesViz to visualize association rules. The arulesViz is an arules extension package which provides many visualization techniques to explore association rules. To start using arulesViz, first install and load the arulesViz package. We then use the pruned rules generated in the previous recipe to make a scatter plot. As per the figure in step 2, we find the rules are shown as points within the scatter plot, with the x-axis in support and y-axis in confidence. The shade of color shows the lift of the rule; the darker the shade, the higher the lift. Next, in order to prevent overplotting points, we can include the jitter as an argument in the control list. The plot with ...