Author here! There seems to be some confusion about this visualization, but we can solve it with just two words: Start Clicking!
The thing that makes this visualization different than other visualizations is that you can see the individual components of what makes up the large departments. Just double click on any of the boxes. If you single click on any box, you can see how that box changed over time.
So, for example, you can see that in 2012 that 2.89% of the budget went to education, but if you double click, you can see that only 13.73% of that went to elementary and secondary education.
You can also single click anywhere and see a graph of how things have changed over time. So you can see that in 2009 there was a huge spike in elementary and secondary education, and you can go to 2009 to further investigate, and find there was a "State Fiscal Stabilization Fund" in 2009 that sent $14 billion to education, and then went away.
As many have noted, this doesn't do a good job at comparing different departments to each other over time. This isn't a surprise, since a treemap is the completely wrong format to be able to do that. However, it is a very good format for exploring what agencies, bureaus and line items make up the large departments, which is data I've never seen anywhere else before, and why I built this visualization.
yes! this is how it already works! if you click a box, it will show you a graph of how that item has changed over time. If you double click, it will create a new treemap made up of the underlying data for that box.
you can use the visualization to see exactly what makes up the health and human services budget item, by double clicking on it. Then you can also see the individual programs that make up medicare and medicaid.
not sure if you saw that you could click for a graph or double click to see a new treemap of any department. This visualization is built for people to explore what's in each of the departments, not really to compare departments with each other.
For example, you can see that in 2012 that 2.89% of the budget went to education, but if you double click, you can see that only 13.73% of that went to elementary and secondary education.
You can also single click anywhere and see a graph of how things have changed over time. So you can see that in 2009 there was a huge spike in elementary and secondary education, and you can go to 2009 to further investigate, and find there was a "State Fiscal Stabilization Fund" in 2009 that sent $14 billion to education, and then went away.
I think another visualization comparing departments would be pretty cool, and might build that one next.
OK, that explains things now. But I don't think that's the best default display, especially since it is not explained anywhere. I don't recall any examples where the base inflation year is the past by default.
It's great to allow users to adjust the base year in case they want to, e.g., for purposes of inform how past past dollars relate to today's circumstances (e.g. Neil Cavuto expressing how he worked for $2 an hour when he was younger and loved it and so can we), but 1976 being the base year is not very productive, it's a floating reference that loses relevance as a default.
Are there any other ones that let you explore what makes up the agencies and departments? I was looking but couldn't find any that let you explore beyond the high level amounts.
this is because some blocks are added and removed from year to year. In this type of visualization, it's impossible to keep things the same size and position while also changing the amounts.
The best way to use this isn't to switch between years. If you click on any cell, you can see a graph of how that changes over time. If you double click on any of the cells, you can see a new visualization of everything that makes up that cell. For example, double clicking on the department of justice will show you it is made up of X billion from the department of prisons and X billion from the FBI.
It's definitely not because some blocks are added and removed. Click on the same year twice and the blocks animate all over the place. The animations are worse than useless -- they actually hinder the ability to compare two years.
The thing that makes this visualization different than other visualizations is that you can see the individual components of what makes up the large departments. Just double click on any of the boxes. If you single click on any box, you can see how that box changed over time.
So, for example, you can see that in 2012 that 2.89% of the budget went to education, but if you double click, you can see that only 13.73% of that went to elementary and secondary education.
You can also single click anywhere and see a graph of how things have changed over time. So you can see that in 2009 there was a huge spike in elementary and secondary education, and you can go to 2009 to further investigate, and find there was a "State Fiscal Stabilization Fund" in 2009 that sent $14 billion to education, and then went away.
As many have noted, this doesn't do a good job at comparing different departments to each other over time. This isn't a surprise, since a treemap is the completely wrong format to be able to do that. However, it is a very good format for exploring what agencies, bureaus and line items make up the large departments, which is data I've never seen anywhere else before, and why I built this visualization.