Lab 5

October 28, 2009

I decided to use 5 classes on my map because I have 67 counties for Florida. I felt to see more of a variation I would need to have more classes. The classification I chose was quartiles and then changed the first break value to 0.  I like how it divided up the numbers. The equal interval, natural break, and defined interval you did not see much of a change in each of the breaks. There was two much of one color. I chose a color scale that only had similar color so you can see the change.

 FL_Pop_Ch_90_00

            For the second map I first made a new field in the attributes table. In this field I calculated 2000 population – 2008 population to get the difference between the two years. I then went to create the map. I chose to classify the numbers the same way I classified the other map using quartiles. I changed the first break value to 0. I chose to have 5 different classes. The symbol size ranged from 4 to 12.  I like how it divided up each of the classes. The other classifications did not show a very big difference between the populations. The color I chose for the state was a light pink. The color I chose for the symbols is a dark green. I felt these two colors together made the map pop out at you.

Total_Pop_Chg

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