September 8, 2005

Lost Trees

Posted in Commentary at 9:41 pm by Michael Sweeney Media

OK, Maps for Trees might be a better choice of words but Treemaps is an interesting way to visualize data sets. I used an application Disk Inventory X that uses a treemap to show the relationship, type and clusters of data on your disk drive. See this picture:

You can see that the data is coloured blocks in what looks to be complete chaos. But, if you take the time to look and study it, you will see that it really makes sense. It’s very easy to see where the lion’s share of the data is sitting and a click on the square takes to where it is and gives you information about it.

This is not a new, new way to view data but it’s certainly catching on lately. Even the Marines like it for keeping track of Equipment Readiness. Informationweek for Sept 5th has a nice article on Treemaps.


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