shape.extract | R Documentation |
extract the information from a SpatialPolygonsDataFrame object.
shape.extract(shp, column.index = 2)
shp |
a SpatialPolygonsDataFrame object, see readShapeSpatial. |
column.index |
Index of the region column in |
the function will also returns a global object which called global.objects.
a shape object.
Jason Wen
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