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Assigns an index to each map region, useful for map coloring.
● Data Source:
CranContrib
● Keywords: dplot
● Alias: match.map
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A function to switch the "world" map to the old (1990) version and back.
● Data Source:
CranContrib
● Keywords:
● Alias: world.legacy
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polygon
(Package: maps) :
Polygon functions
These functions are called internally and will generally not be required by the user.
● Data Source:
CranContrib
● Keywords: internal
● Alias: apply.polygon, area.polygon, as.matrix.polygon, centroid.polygon, closed.polygon, in.one.polygon, in.polygon, num.polygons, sub.polygon
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Adds a scale to an existing map, both as a ratio and a distance gauge.
● Data Source:
CranContrib
● Keywords: hplot
● Alias: map.scale
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Increases the resolution of data aggregated over map regions, by either smoothing or interpolation. Also fills in missing values.
● Data Source:
CranContrib
● Keywords: dplot
● Alias: smooth.map
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This data set and the simple look-up functions allow to build lists of counrtries for the world map.
● Data Source:
CranContrib
● Keywords:
● Alias: iso.alpha, iso.expand, sov.expand
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Identifies the map regions clicked by the user.
● Data Source:
CranContrib
● Keywords: iplot
● Alias: identify.map
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Draw lines and polygons as specified by a map database.
● Data Source:
CranContrib
● Keywords: hplot
● Alias: map
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Draws a set of axes on an existing map.
● Data Source:
CranContrib
● Keywords: hplot
● Alias: map.axes
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internal
(Package: maps) :
Internally Required Functions
These functions are called internally and will generally not be required by the user.
● Data Source:
CranContrib
● Keywords: internal
● Alias: internal, makepoly, mapgetg, mapgetl, mapname, mapthin, maptype
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providing 
.