check_polygon_contiguity

Cast <code>shp</code> to component polygons, build the adjacency, and check the contiguity.
Avoids issues where a precinct is actually a multipolygon

A compilation of tools to complete common tasks for studying gerrymandering.
This focuses on the geographic tool side of common problems, such as linking
different levels of spatial units or estimating how to break up units. Functions
exist for creating redistricting-focused data for the US.

Christopher T. Kenny

geomander

Geographic Tools for Studying Gerrymandering

Cory McCartan

check_polygon_contiguity function

<dl><dt>shp</dt>
<dd>An sf data frame</dd>
<dt>group</dt>
<dd>unquoted name of group identifier in shp.
Typically, this is district assignment. If you're looking for dis-contiguous precincts,
this should be a row number.</dd>
<dt>epsg</dt>
<dd>numeric EPSG code to planarize to. Default is 3857.</dd></dl>

Arguments

Check Polygon Contiguity — check_polygon_contiguity

<dl>

<dt>shp</dt>
<dd>An sf data frame</dd>


<dt>group</dt>
<dd>unquoted name of group identifier in shp.
Typically, this is district assignment. If you're looking for dis-contiguous precincts,
this should be a row number.</dd>


<dt>epsg</dt>
<dd>numeric EPSG code to planarize to. Default is 3857.</dd>

</dl>

check_polygon_contiguity: Check Polygon Contiguity

Description

Usage

Value

Arguments

Examples