Arguments
id
A vector storing the labels to be used for each stock.
area
A vector storing the values to be used to calculate the areas of rectangles.
group
A vector specifying the group (i.e. country, sector, etc.) to which each stock belongs.
color
A vector storing the values to be used to calculate the color of rectangles.
scale
An object of class numeric indicating the scale to be used in determining colors.
lab
A logical vector of length 2 specifying whether group and stock labels should be drawn. If the two values are the same, the second may be omitted.
main
A title for the plot.
print
An object of class logical indicating whether the map should be drawn.
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