Mapping Software and GIS Glossary
Deviation is the measure of how much a district or plan varies from the ideal population, however defined, per district. Deviation can be expressed as an absolute number or as a percentage.
The districts in this map deviate from the ideal balanced value by -0.03% (302 below the balanced ideal value) to 0.05% (451 above the balanced ideal value)
Maptitude for Redistricting is the professional tool for political redistricting. Designed with input from redistricting professionals, state legislatures, and political parties, Maptitude for Redistricting has the features redistricters want and is easy to learn and use.
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