You can also group features into classes using the Legend Editor. The default classification groups data into five categories based on the Natural Breaks or Jenks method of classification. However, you can easily change the classification using the Legend Editor.

In the example below, the Counties theme has been grouped into five Pop_93 categories.

You can choose to display your classes using a color ramp (when colors change gradually from the first to the last symbol). The color ramp in the example below starts with light red for the class representing the lowest population and ends with dark red for the class representating the highest population.

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