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Graduated Symbols: I really didn’t know what to choose for symbol size. I wanted to portray as much of the population change as possible. Since the populations ranged 770,000 to over 9 million I wanted to show the range. I experimented with different values using manual breaks in the classification and also the symbol size max and mins until I felt I had a well balanced map. I chose the colors according to the lab instructions which seemed to work well, and tried to maximize the use of white space.
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Proportional Symbols: I had a lot of problems with this map and I’m really not satisfied with the way it turned out. The I chose the attribute, average household size, because it seemed to be one of the only ones that didn’t need to be normalized in order to work. I used a house as the symbol for a more qualitative use of the map. My legend did not work well and I had to convert it to graphics and scale the symbols manually in order to have a proper legend.
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Map of the Week: I chose this map because I thought it was an interesting example of thematic mapping. The map is a 3-D representation of population change in Canada by province. Its both qualitative and quantitative. its well balanced with good use of color and map element placement. Source: geodepot.statcan.ca
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