Tree map infographics for spend data
Thanks to Flowing Data for linking to another great graphic from the New York Times.
This type of graphic falls into the category of tree maps which, along with the bubble chart, are my favourite tools in my data analysts toolkit. The tree map and the bubble chart allow the relationships between multi-dimensional data sets to be grasped at a glance. If a picture is worth a thousand words, a good tree map is a thesis and comic strip rolled into one.
The tree map to the right is of particular interest to procurement professionals because it breaks down consumer spending into categories and sub-categories. If you showed your spend data in this format, your boss would either think you’re a star, or that you have way too much time on your hands!
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