There are many ways to use a heat map. For big data sets, heat maps provide a substitute for scatter plots. Heat maps can also be used to enhance small tables. Several of my colleagues (Sanjay Matange, Pratik Phadke, Rick Wicklin, Chris Hemedinger, and probably others) have posted about using
Let us continue our review of the Clinical Graphs included in the CTSPedia repository. Today, I noticed this Heatmap of Benefits and Risks over Time for Subjects in a study by Treatment, submitted by Max Cherny using "R" code. I thought it would be a good exercise to see how to build this
The parable of beer and diapers is often related when teaching data mining techniques. Whether fact or fiction, a Heat Map is useful to view the claimed associations. A co-worker recently enquired about possible ways to display associations or dependency between variables. One option is to show the dependency as a node
