A new book by designer Manuel Lima, however, shows that data viz's roots go much deeper--some 900 years, at the very least. And calling them "roots" is very much appropriate.

To make a tree diagram in Excel you will need to utilize third-party diagramming tools, such as Lucidchart that allows you to create a tree diagram in Excel. These are known as add-ins to the program.

As the figurative tree diagram progressed into more pragmatic uses it abstracted, such as with the staggered lines of vertical tree diagrams like you might use to plot your family tree, or the ...