Choropleth maps have the ability to represent a large amount of data over any amount of space in a succinct and visually appealing manner. However, this method is not ideal for representing data realistically. Pre-existing boundaries limit the map's ability to display the true fluctuation ...
Advantages The most obvious advantage of using choropleth is its popularity. As this type is used rather often, the information provided through this type of map will seem clear for the majority of your audience. Disadvantages Although choropleths give a good visual impression of change over space...
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Proportional symbols overlays (included on the choropleth map above) are one solution to this problem. It can be difficult to distinguish between different shades. Variations within map units are hidden, and for this reason smaller units are better than large ones....
As you can see, there's no visual difference between the districts with different values. That's because we haven't defined the Color Range yet. Let's think about the data classification and define the colorRange. Data Classes How many classes does a map need? Each time the answer will ...
To connect the data to the map and to define its type you may use the next construction: s1 = map.choropleth(dataSet1);Playground In the data above we haven't defined the value for some regions, but those regions themselves are defined. If we remove the lines with the regions we don'...