Lab Four: Proportional Symbol Maps Lab 1 Lab 2 Lab 3 Lab 4 Lab 5 Lab 6 Lab 7 HOME NEXT LAB For this lab I created three proportional symbol maps. For each map, I used the same data, but employed a different method for determining the circle sizes. Click on the links below to explore the differences between the three. Absolute Scaling: Square Root Method click to view a larger image Psychological Scaling: Flannery's Method tclick to view a larger image Range Graded Method: Natural Breaks click to view a larger image