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Week 4: Everyone The U.S. Government Owes Money To, In One Graph
09-22-2014, 11:18 AM
Post: #11
RE: Week 4: Everyone The U.S. Government Owes Money To, In One Graph
The visualization is effective in expressing the debts of US government by splitting them into major categories. It gives the viewer an idea of how debts are distributed by looking at the area. However, percentage of the total debt instead of specific figures would have been more meaningful as only the major categories are highlighted.
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09-23-2014, 10:28 AM
Post: #12
RE: Week 4: Everyone The U.S. Government Owes Money To, In One Graph
I think this visualization violates the expressiveness principle. As was noted before, the space used to express $1 Trillion is different in all three categories. This means that either the data is not being expressed completely, or something else is also being expressed. These types of area maps are notoriously hard to use for comparing areas. The different ratios of height to width can make rectangles of the same area appear to have different areas.
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09-29-2014, 10:01 AM
Post: #13
RE: Week 4: Everyone The U.S. Government Owes Money To, In One Graph
Yes. It's not easy to distinguish the difference the areas of categories. For example, the domestic and insurance companies are yellow. And the word "insurance companies" is vertical makes this categories hard to tell. And also, I think the hue is not organized well according to the size of areas. The big areas like "banks and credits unions" is larger than "state and local govt pensions" but its color is lighter. Besides, the name of categories are embedded into the charts and mix with the name of smaller categories. This makes the whole chart like a painting with massive words.
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