Make lines show different widths
How could I make likes with different widths based on a feature on a same layer? I know using "categories" it is possible to make them with different colours, is different widths also possible?
Mapping Center Answer:
Set the symbology to Categories - Unique Values and set the Value field to your size attribute. Now you can set each of the size classes to varying line widths. If you have a quantitative variable you can use Quantities - Graduated Symbols instead.
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