Actually, there are two tags for questions that are related (to some extent) to data visualization: data-visualization (44) and graphical-techniques (37). What's the difference, if any?
Maybe there are some subtle differences between them that I cannot grasp actually. From what has been posted so far, my understanding is as follows: data visualization has to do with "how to display data" (broadly speaking) and "what can I use to display my data" (more of a software issue), whereas graphical techniques is perhaps more related to "how may I provide a visual explanation of my data structure".
I am asking that question because I often feel confused when trying to retag some questions.
Any ideas or thoughts on that?