<table>
<caption>(\#tab:map-spkg)Selected specific-purpose mapping packages, with associated metrics.</caption>
 <thead>
  <tr>
   <th style="text-align:left;"> Package </th>
   <th style="text-align:left;"> Title </th>
  </tr>
 </thead>
<tbody>
  <tr>
   <td style="text-align:left;"> cartogram </td>
   <td style="text-align:left;"> Create Cartograms with R </td>
  </tr>
  <tr>
   <td style="text-align:left;"> geogrid </td>
   <td style="text-align:left;"> Turn Geospatial Polygons into Regular or Hexagonal Grids </td>
  </tr>
  <tr>
   <td style="text-align:left;"> geofacet </td>
   <td style="text-align:left;"> 'ggplot2' Faceting Utilities for Geographical Data </td>
  </tr>
  <tr>
   <td style="text-align:left;"> globe </td>
   <td style="text-align:left;"> Plot 2D and 3D Views of the Earth, Including Major Coastline </td>
  </tr>
  <tr>
   <td style="text-align:left;"> linemap </td>
   <td style="text-align:left;"> Line Maps </td>
  </tr>
</tbody>
</table>