spatialBubblePlot: bubble plot
Usage
spatialBubblePlot(x,z,minRadius=.01,
maxRadius=.05,color="#F75252", ...)
Arguments
x
a SpatialPointsDataFrame
z
The name of the variable in x or a vector to be mapped to size
minRadius
smallest point size
maxRadius
largest point size
color
the color of the points
...
additional parameters for symbol