This map also displays data that interests me. In this map I am comparing gun ownership in a state, to gun murders in that same state. To do this I first made a choropleth map of the gun murders (per 100,000 people), the darker the red the more murders. Then I made a graduated circle map of gun ownership, where the bigger the circle the more gun ownership in that state (per 100,000 people). The message I was trying to get across with this multivariate map is that the states that own more guns committ less gun murders. I find there is a positive coorelation between the two. The biggest difficulty I had with this map and something I would change if I could go back, is the size of the biggest circle. I wish the map would show a little more variance in circle sizes, but I feel it still gets my message across.
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